Home / 18,397.26-25,388.10-10,013.76

Finding the Fourth Proportional to 18,397.26, 25,388.10 and 10,013.76

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Solution

The fourth proportional to 18,397.26, 25,388.10 and 10,013.76 is: 13,818.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.26 : 25,388.10 = 10,013.76 : x
  2. Step 2: Convert to fraction form
    18,397.26/25,388.10 = 10,013.76/x
  3. Step 3: Cross multiply
    18,397.26x = 25,388.10 × 10,013.76
  4. Step 4: Simplify right side
    18,397.26x = 254,230,340.26
  5. Step 5: Solve for x
    x = 254,230,340.26/18,397.26
  6. Step 6: Final answer
    x = 13,818.92

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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.