Home / 16,512.30-22,775.28-10,139.22

Finding the Fourth Proportional to 16,512.30, 22,775.28 and 10,139.22

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Solution

The fourth proportional to 16,512.30, 22,775.28 and 10,139.22 is: 13,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.30 : 22,775.28 = 10,139.22 : x
  2. Step 2: Convert to fraction form
    16,512.30/22,775.28 = 10,139.22/x
  3. Step 3: Cross multiply
    16,512.30x = 22,775.28 × 10,139.22
  4. Step 4: Simplify right side
    16,512.30x = 230,923,574.48
  5. Step 5: Solve for x
    x = 230,923,574.48/16,512.30
  6. Step 6: Final answer
    x = 13,984.94

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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.