Home / 13,224.13-18,232.69-9,681.19

Finding the Fourth Proportional to 13,224.13, 18,232.69 and 9,681.19

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Solution

The fourth proportional to 13,224.13, 18,232.69 and 9,681.19 is: 13,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.13 : 18,232.69 = 9,681.19 : x
  2. Step 2: Convert to fraction form
    13,224.13/18,232.69 = 9,681.19/x
  3. Step 3: Cross multiply
    13,224.13x = 18,232.69 × 9,681.19
  4. Step 4: Simplify right side
    13,224.13x = 176,514,136.10
  5. Step 5: Solve for x
    x = 176,514,136.10/13,224.13
  6. Step 6: Final answer
    x = 13,347.88

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Half scale
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Double scale
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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.