Home / 16,507.04-22,780.20-10,218.16

Finding the Fourth Proportional to 16,507.04, 22,780.20 and 10,218.16

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Solution

The fourth proportional to 16,507.04, 22,780.20 and 10,218.16 is: 14,101.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507.04 : 22,780.20 = 10,218.16 : x
  2. Step 2: Convert to fraction form
    16,507.04/22,780.20 = 10,218.16/x
  3. Step 3: Cross multiply
    16,507.04x = 22,780.20 × 10,218.16
  4. Step 4: Simplify right side
    16,507.04x = 232,771,728.43
  5. Step 5: Solve for x
    x = 232,771,728.43/16,507.04
  6. Step 6: Final answer
    x = 14,101.36

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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.