Home / 16,410.04-22,644.30-10,121.20

Finding the Fourth Proportional to 16,410.04, 22,644.30 and 10,121.20

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Solution

The fourth proportional to 16,410.04, 22,644.30 and 10,121.20 is: 13,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,410.04 : 22,644.30 = 10,121.20 : x
  2. Step 2: Convert to fraction form
    16,410.04/22,644.30 = 10,121.20/x
  3. Step 3: Cross multiply
    16,410.04x = 22,644.30 × 10,121.20
  4. Step 4: Simplify right side
    16,410.04x = 229,187,489.16
  5. Step 5: Solve for x
    x = 229,187,489.16/16,410.04
  6. Step 6: Final answer
    x = 13,966.30

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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.