Home / 18,184.04-25,095.88-11,115.18

Finding the Fourth Proportional to 18,184.04, 25,095.88 and 11,115.18

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Solution

The fourth proportional to 18,184.04, 25,095.88 and 11,115.18 is: 15,340.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,184.04 : 25,095.88 = 11,115.18 : x
  2. Step 2: Convert to fraction form
    18,184.04/25,095.88 = 11,115.18/x
  3. Step 3: Cross multiply
    18,184.04x = 25,095.88 × 11,115.18
  4. Step 4: Simplify right side
    18,184.04x = 278,945,223.46
  5. Step 5: Solve for x
    x = 278,945,223.46/18,184.04
  6. Step 6: Final answer
    x = 15,340.11

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Half scale
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Double scale
Find fourth proportional to 18,185.04, 25,097.26 and 11,116.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.