Home / 18,211.76-25,132.70-10,254.27

Finding the Fourth Proportional to 18,211.76, 25,132.70 and 10,254.27

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Solution

The fourth proportional to 18,211.76, 25,132.70 and 10,254.27 is: 14,151.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.76 : 25,132.70 = 10,254.27 : x
  2. Step 2: Convert to fraction form
    18,211.76/25,132.70 = 10,254.27/x
  3. Step 3: Cross multiply
    18,211.76x = 25,132.70 × 10,254.27
  4. Step 4: Simplify right side
    18,211.76x = 257,717,491.63
  5. Step 5: Solve for x
    x = 257,717,491.63/18,211.76
  6. Step 6: Final answer
    x = 14,151.16

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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.