Home / 21,565.76-32,337.63-9,868.95

Finding the Fourth Proportional to 21,565.76, 32,337.63 and 9,868.95

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Solution

The fourth proportional to 21,565.76, 32,337.63 and 9,868.95 is: 14,798.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.76 : 32,337.63 = 9,868.95 : x
  2. Step 2: Convert to fraction form
    21,565.76/32,337.63 = 9,868.95/x
  3. Step 3: Cross multiply
    21,565.76x = 32,337.63 × 9,868.95
  4. Step 4: Simplify right side
    21,565.76x = 319,138,453.59
  5. Step 5: Solve for x
    x = 319,138,453.59/21,565.76
  6. Step 6: Final answer
    x = 14,798.39

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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.