Home / 21,569.29-32,180.68-19,201.18

Finding the Fourth Proportional to 21,569.29, 32,180.68 and 19,201.18

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Solution

The fourth proportional to 21,569.29, 32,180.68 and 19,201.18 is: 28,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.29 : 32,180.68 = 19,201.18 : x
  2. Step 2: Convert to fraction form
    21,569.29/32,180.68 = 19,201.18/x
  3. Step 3: Cross multiply
    21,569.29x = 32,180.68 × 19,201.18
  4. Step 4: Simplify right side
    21,569.29x = 617,906,915.58
  5. Step 5: Solve for x
    x = 617,906,915.58/21,569.29
  6. Step 6: Final answer
    x = 28,647.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.