Home / 19,710.76-29,565.42-5,859.40

Finding the Fourth Proportional to 19,710.76, 29,565.42 and 5,859.40

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Solution

The fourth proportional to 19,710.76, 29,565.42 and 5,859.40 is: 8,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.76 : 29,565.42 = 5,859.40 : x
  2. Step 2: Convert to fraction form
    19,710.76/29,565.42 = 5,859.40/x
  3. Step 3: Cross multiply
    19,710.76x = 29,565.42 × 5,859.40
  4. Step 4: Simplify right side
    19,710.76x = 173,235,621.95
  5. Step 5: Solve for x
    x = 173,235,621.95/19,710.76
  6. Step 6: Final answer
    x = 8,788.89

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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.