Home / 16,781.19-23,158.13-9,228.01

Finding the Fourth Proportional to 16,781.19, 23,158.13 and 9,228.01

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Solution

The fourth proportional to 16,781.19, 23,158.13 and 9,228.01 is: 12,734.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.19 : 23,158.13 = 9,228.01 : x
  2. Step 2: Convert to fraction form
    16,781.19/23,158.13 = 9,228.01/x
  3. Step 3: Cross multiply
    16,781.19x = 23,158.13 × 9,228.01
  4. Step 4: Simplify right side
    16,781.19x = 213,703,455.22
  5. Step 5: Solve for x
    x = 213,703,455.22/16,781.19
  6. Step 6: Final answer
    x = 12,734.70

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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.