Home / 15,983.02-22,058.20-9,611.68

Finding the Fourth Proportional to 15,983.02, 22,058.20 and 9,611.68

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Solution

The fourth proportional to 15,983.02, 22,058.20 and 9,611.68 is: 13,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.02 : 22,058.20 = 9,611.68 : x
  2. Step 2: Convert to fraction form
    15,983.02/22,058.20 = 9,611.68/x
  3. Step 3: Cross multiply
    15,983.02x = 22,058.20 × 9,611.68
  4. Step 4: Simplify right side
    15,983.02x = 212,016,359.78
  5. Step 5: Solve for x
    x = 212,016,359.78/15,983.02
  6. Step 6: Final answer
    x = 13,265.10

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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.