Home / 16,240.11-22,411.13-9,168.81

Finding the Fourth Proportional to 16,240.11, 22,411.13 and 9,168.81

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Solution

The fourth proportional to 16,240.11, 22,411.13 and 9,168.81 is: 12,652.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.11 : 22,411.13 = 9,168.81 : x
  2. Step 2: Convert to fraction form
    16,240.11/22,411.13 = 9,168.81/x
  3. Step 3: Cross multiply
    16,240.11x = 22,411.13 × 9,168.81
  4. Step 4: Simplify right side
    16,240.11x = 205,483,347.01
  5. Step 5: Solve for x
    x = 205,483,347.01/16,240.11
  6. Step 6: Final answer
    x = 12,652.83

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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.