Home / 26,565.98-39,848.76-9,930.20

Finding the Fourth Proportional to 26,565.98, 39,848.76 and 9,930.20

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Solution

The fourth proportional to 26,565.98, 39,848.76 and 9,930.20 is: 14,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,565.98 : 39,848.76 = 9,930.20 : x
  2. Step 2: Convert to fraction form
    26,565.98/39,848.76 = 9,930.20/x
  3. Step 3: Cross multiply
    26,565.98x = 39,848.76 × 9,930.20
  4. Step 4: Simplify right side
    26,565.98x = 395,705,957.31
  5. Step 5: Solve for x
    x = 395,705,957.31/26,565.98
  6. Step 6: Final answer
    x = 14,895.22

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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.