Home / 14,312.27-21,462.45-5,542.13

Finding the Fourth Proportional to 14,312.27, 21,462.45 and 5,542.13

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Solution

The fourth proportional to 14,312.27, 21,462.45 and 5,542.13 is: 8,310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,312.27 : 21,462.45 = 5,542.13 : x
  2. Step 2: Convert to fraction form
    14,312.27/21,462.45 = 5,542.13/x
  3. Step 3: Cross multiply
    14,312.27x = 21,462.45 × 5,542.13
  4. Step 4: Simplify right side
    14,312.27x = 118,947,580.71
  5. Step 5: Solve for x
    x = 118,947,580.71/14,312.27
  6. Step 6: Final answer
    x = 8,310.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.