Home / 21,463.02-29,616.17-12,512.12

Finding the Fourth Proportional to 21,463.02, 29,616.17 and 12,512.12

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Solution

The fourth proportional to 21,463.02, 29,616.17 and 12,512.12 is: 17,265.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,463.02 : 29,616.17 = 12,512.12 : x
  2. Step 2: Convert to fraction form
    21,463.02/29,616.17 = 12,512.12/x
  3. Step 3: Cross multiply
    21,463.02x = 29,616.17 × 12,512.12
  4. Step 4: Simplify right side
    21,463.02x = 370,560,862.34
  5. Step 5: Solve for x
    x = 370,560,862.34/21,463.02
  6. Step 6: Final answer
    x = 17,265.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.