Home / 18,109.13-24,988.55-10,150.20

Finding the Fourth Proportional to 18,109.13, 24,988.55 and 10,150.20

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Solution

The fourth proportional to 18,109.13, 24,988.55 and 10,150.20 is: 14,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.13 : 24,988.55 = 10,150.20 : x
  2. Step 2: Convert to fraction form
    18,109.13/24,988.55 = 10,150.20/x
  3. Step 3: Cross multiply
    18,109.13x = 24,988.55 × 10,150.20
  4. Step 4: Simplify right side
    18,109.13x = 253,638,729.46
  5. Step 5: Solve for x
    x = 253,638,729.46/18,109.13
  6. Step 6: Final answer
    x = 14,006.13

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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.