Home / 18,740.92-25,861.62-11,574.04

Finding the Fourth Proportional to 18,740.92, 25,861.62 and 11,574.04

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Solution

The fourth proportional to 18,740.92, 25,861.62 and 11,574.04 is: 15,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.92 : 25,861.62 = 11,574.04 : x
  2. Step 2: Convert to fraction form
    18,740.92/25,861.62 = 11,574.04/x
  3. Step 3: Cross multiply
    18,740.92x = 25,861.62 × 11,574.04
  4. Step 4: Simplify right side
    18,740.92x = 299,323,424.34
  5. Step 5: Solve for x
    x = 299,323,424.34/18,740.92
  6. Step 6: Final answer
    x = 15,971.65

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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.