Home / 14,332.72-19,781.13-8,045.50

Finding the Fourth Proportional to 14,332.72, 19,781.13 and 8,045.50

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Solution

The fourth proportional to 14,332.72, 19,781.13 and 8,045.50 is: 11,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,332.72 : 19,781.13 = 8,045.50 : x
  2. Step 2: Convert to fraction form
    14,332.72/19,781.13 = 8,045.50/x
  3. Step 3: Cross multiply
    14,332.72x = 19,781.13 × 8,045.50
  4. Step 4: Simplify right side
    14,332.72x = 159,149,081.42
  5. Step 5: Solve for x
    x = 159,149,081.42/14,332.72
  6. Step 6: Final answer
    x = 11,103.90

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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.