Home / 16,129.27-22,254.48-9,411.06

Finding the Fourth Proportional to 16,129.27, 22,254.48 and 9,411.06

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Solution

The fourth proportional to 16,129.27, 22,254.48 and 9,411.06 is: 12,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,129.27 : 22,254.48 = 9,411.06 : x
  2. Step 2: Convert to fraction form
    16,129.27/22,254.48 = 9,411.06/x
  3. Step 3: Cross multiply
    16,129.27x = 22,254.48 × 9,411.06
  4. Step 4: Simplify right side
    16,129.27x = 209,438,246.55
  5. Step 5: Solve for x
    x = 209,438,246.55/16,129.27
  6. Step 6: Final answer
    x = 12,984.98

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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.