Home / 17,565.71-26,354.72-7,705.76

Finding the Fourth Proportional to 17,565.71, 26,354.72 and 7,705.76

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Solution

The fourth proportional to 17,565.71, 26,354.72 and 7,705.76 is: 11,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,565.71 : 26,354.72 = 7,705.76 : x
  2. Step 2: Convert to fraction form
    17,565.71/26,354.72 = 7,705.76/x
  3. Step 3: Cross multiply
    17,565.71x = 26,354.72 × 7,705.76
  4. Step 4: Simplify right side
    17,565.71x = 203,083,065.46
  5. Step 5: Solve for x
    x = 203,083,065.46/17,565.71
  6. Step 6: Final answer
    x = 11,561.34

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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.