Home / 23,173.18-31,979.19-12,562.99

Finding the Fourth Proportional to 23,173.18, 31,979.19 and 12,562.99

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Solution

The fourth proportional to 23,173.18, 31,979.19 and 12,562.99 is: 17,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.18 : 31,979.19 = 12,562.99 : x
  2. Step 2: Convert to fraction form
    23,173.18/31,979.19 = 12,562.99/x
  3. Step 3: Cross multiply
    23,173.18x = 31,979.19 × 12,562.99
  4. Step 4: Simplify right side
    23,173.18x = 401,754,244.18
  5. Step 5: Solve for x
    x = 401,754,244.18/23,173.18
  6. Step 6: Final answer
    x = 17,337.04

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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.