Home / 16,445.70-22,695.12-9,372.24

Finding the Fourth Proportional to 16,445.70, 22,695.12 and 9,372.24

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Solution

The fourth proportional to 16,445.70, 22,695.12 and 9,372.24 is: 12,933.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,445.70 : 22,695.12 = 9,372.24 : x
  2. Step 2: Convert to fraction form
    16,445.70/22,695.12 = 9,372.24/x
  3. Step 3: Cross multiply
    16,445.70x = 22,695.12 × 9,372.24
  4. Step 4: Simplify right side
    16,445.70x = 212,704,111.47
  5. Step 5: Solve for x
    x = 212,704,111.47/16,445.70
  6. Step 6: Final answer
    x = 12,933.72

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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.