Home / 14,306.88-19,750.42-9,534.78

Finding the Fourth Proportional to 14,306.88, 19,750.42 and 9,534.78

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Solution

The fourth proportional to 14,306.88, 19,750.42 and 9,534.78 is: 13,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.88 : 19,750.42 = 9,534.78 : x
  2. Step 2: Convert to fraction form
    14,306.88/19,750.42 = 9,534.78/x
  3. Step 3: Cross multiply
    14,306.88x = 19,750.42 × 9,534.78
  4. Step 4: Simplify right side
    14,306.88x = 188,315,909.61
  5. Step 5: Solve for x
    x = 188,315,909.61/14,306.88
  6. Step 6: Final answer
    x = 13,162.61

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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.