Home / 18,174.67-25,088.04-12,122.71

Finding the Fourth Proportional to 18,174.67, 25,088.04 and 12,122.71

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Solution

The fourth proportional to 18,174.67, 25,088.04 and 12,122.71 is: 16,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174.67 : 25,088.04 = 12,122.71 : x
  2. Step 2: Convert to fraction form
    18,174.67/25,088.04 = 12,122.71/x
  3. Step 3: Cross multiply
    18,174.67x = 25,088.04 × 12,122.71
  4. Step 4: Simplify right side
    18,174.67x = 304,134,970.67
  5. Step 5: Solve for x
    x = 304,134,970.67/18,174.67
  6. Step 6: Final answer
    x = 16,734.00

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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.