Home / 14,049.68-21,070.32-7,472.24

Finding the Fourth Proportional to 14,049.68, 21,070.32 and 7,472.24

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Solution

The fourth proportional to 14,049.68, 21,070.32 and 7,472.24 is: 11,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,049.68 : 21,070.32 = 7,472.24 : x
  2. Step 2: Convert to fraction form
    14,049.68/21,070.32 = 7,472.24/x
  3. Step 3: Cross multiply
    14,049.68x = 21,070.32 × 7,472.24
  4. Step 4: Simplify right side
    14,049.68x = 157,442,487.92
  5. Step 5: Solve for x
    x = 157,442,487.92/14,049.68
  6. Step 6: Final answer
    x = 11,206.13

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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.