Home / 21,569.71-32,348.18-9,716.63

Finding the Fourth Proportional to 21,569.71, 32,348.18 and 9,716.63

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Solution

The fourth proportional to 21,569.71, 32,348.18 and 9,716.63 is: 14,572.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.71 : 32,348.18 = 9,716.63 : x
  2. Step 2: Convert to fraction form
    21,569.71/32,348.18 = 9,716.63/x
  3. Step 3: Cross multiply
    21,569.71x = 32,348.18 × 9,716.63
  4. Step 4: Simplify right side
    21,569.71x = 314,315,166.78
  5. Step 5: Solve for x
    x = 314,315,166.78/21,569.71
  6. Step 6: Final answer
    x = 14,572.06

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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.