Home / 18,407.67-25,372.26-13,023.24

Finding the Fourth Proportional to 18,407.67, 25,372.26 and 13,023.24

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Solution

The fourth proportional to 18,407.67, 25,372.26 and 13,023.24 is: 17,950.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.67 : 25,372.26 = 13,023.24 : x
  2. Step 2: Convert to fraction form
    18,407.67/25,372.26 = 13,023.24/x
  3. Step 3: Cross multiply
    18,407.67x = 25,372.26 × 13,023.24
  4. Step 4: Simplify right side
    18,407.67x = 330,429,031.32
  5. Step 5: Solve for x
    x = 330,429,031.32/18,407.67
  6. Step 6: Final answer
    x = 17,950.62

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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.