Home / 13,184.24-18,193.59-7,215.75

Finding the Fourth Proportional to 13,184.24, 18,193.59 and 7,215.75

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Solution

The fourth proportional to 13,184.24, 18,193.59 and 7,215.75 is: 9,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.24 : 18,193.59 = 7,215.75 : x
  2. Step 2: Convert to fraction form
    13,184.24/18,193.59 = 7,215.75/x
  3. Step 3: Cross multiply
    13,184.24x = 18,193.59 × 7,215.75
  4. Step 4: Simplify right side
    13,184.24x = 131,280,397.04
  5. Step 5: Solve for x
    x = 131,280,397.04/13,184.24
  6. Step 6: Final answer
    x = 9,957.38

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Half scale
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Double scale
Find fourth proportional to 13,185.24, 18,194.97 and 7,216.75
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.