Home / 16,140.80-24,073.16-14,179.36

Finding the Fourth Proportional to 16,140.80, 24,073.16 and 14,179.36

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Solution

The fourth proportional to 16,140.80, 24,073.16 and 14,179.36 is: 21,147.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.80 : 24,073.16 = 14,179.36 : x
  2. Step 2: Convert to fraction form
    16,140.80/24,073.16 = 14,179.36/x
  3. Step 3: Cross multiply
    16,140.80x = 24,073.16 × 14,179.36
  4. Step 4: Simplify right side
    16,140.80x = 341,342,001.98
  5. Step 5: Solve for x
    x = 341,342,001.98/16,140.80
  6. Step 6: Final answer
    x = 21,147.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.