Home / 21,712.73-32,569.09-10,019.57

Finding the Fourth Proportional to 21,712.73, 32,569.09 and 10,019.57

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Solution

The fourth proportional to 21,712.73, 32,569.09 and 10,019.57 is: 15,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.73 : 32,569.09 = 10,019.57 : x
  2. Step 2: Convert to fraction form
    21,712.73/32,569.09 = 10,019.57/x
  3. Step 3: Cross multiply
    21,712.73x = 32,569.09 × 10,019.57
  4. Step 4: Simplify right side
    21,712.73x = 326,328,089.20
  5. Step 5: Solve for x
    x = 326,328,089.20/21,712.73
  6. Step 6: Final answer
    x = 15,029.35

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1.5x scale

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.