Home / 18,107.39-24,989.76-10,151.15

Finding the Fourth Proportional to 18,107.39, 24,989.76 and 10,151.15

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Solution

The fourth proportional to 18,107.39, 24,989.76 and 10,151.15 is: 14,009.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,107.39 : 24,989.76 = 10,151.15 : x
  2. Step 2: Convert to fraction form
    18,107.39/24,989.76 = 10,151.15/x
  3. Step 3: Cross multiply
    18,107.39x = 24,989.76 × 10,151.15
  4. Step 4: Simplify right side
    18,107.39x = 253,674,677.28
  5. Step 5: Solve for x
    x = 253,674,677.28/18,107.39
  6. Step 6: Final answer
    x = 14,009.45

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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.