Home / 21,565.77-32,340.69-7,522.26

Finding the Fourth Proportional to 21,565.77, 32,340.69 and 7,522.26

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Solution

The fourth proportional to 21,565.77, 32,340.69 and 7,522.26 is: 11,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.77 : 32,340.69 = 7,522.26 : x
  2. Step 2: Convert to fraction form
    21,565.77/32,340.69 = 7,522.26/x
  3. Step 3: Cross multiply
    21,565.77x = 32,340.69 × 7,522.26
  4. Step 4: Simplify right side
    21,565.77x = 243,275,078.76
  5. Step 5: Solve for x
    x = 243,275,078.76/21,565.77
  6. Step 6: Final answer
    x = 11,280.61

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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.