Home / 14,502.20-21,753.30-3,558.20

Finding the Fourth Proportional to 14,502.20, 21,753.30 and 3,558.20

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Solution

The fourth proportional to 14,502.20, 21,753.30 and 3,558.20 is: 5,337.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,502.20 : 21,753.30 = 3,558.20 : x
  2. Step 2: Convert to fraction form
    14,502.20/21,753.30 = 3,558.20/x
  3. Step 3: Cross multiply
    14,502.20x = 21,753.30 × 3,558.20
  4. Step 4: Simplify right side
    14,502.20x = 77,402,483.29
  5. Step 5: Solve for x
    x = 77,402,483.29/14,502.20
  6. Step 6: Final answer
    x = 5,337.29

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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.