Home / 18,742.24-25,864.20-10,358.68

Finding the Fourth Proportional to 18,742.24, 25,864.20 and 10,358.68

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Solution

The fourth proportional to 18,742.24, 25,864.20 and 10,358.68 is: 14,294.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.24 : 25,864.20 = 10,358.68 : x
  2. Step 2: Convert to fraction form
    18,742.24/25,864.20 = 10,358.68/x
  3. Step 3: Cross multiply
    18,742.24x = 25,864.20 × 10,358.68
  4. Step 4: Simplify right side
    18,742.24x = 267,918,971.26
  5. Step 5: Solve for x
    x = 267,918,971.26/18,742.24
  6. Step 6: Final answer
    x = 14,294.93

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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.