Home / 13,282.04-18,328.56-7,314.23

Finding the Fourth Proportional to 13,282.04, 18,328.56 and 7,314.23

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Solution

The fourth proportional to 13,282.04, 18,328.56 and 7,314.23 is: 10,093.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.04 : 18,328.56 = 7,314.23 : x
  2. Step 2: Convert to fraction form
    13,282.04/18,328.56 = 7,314.23/x
  3. Step 3: Cross multiply
    13,282.04x = 18,328.56 × 7,314.23
  4. Step 4: Simplify right side
    13,282.04x = 134,059,303.41
  5. Step 5: Solve for x
    x = 134,059,303.41/13,282.04
  6. Step 6: Final answer
    x = 10,093.28

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Half scale
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Double scale
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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.