Home / 18,424.62-25,422.80-10,357.15

Finding the Fourth Proportional to 18,424.62, 25,422.80 and 10,357.15

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Solution

The fourth proportional to 18,424.62, 25,422.80 and 10,357.15 is: 14,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.62 : 25,422.80 = 10,357.15 : x
  2. Step 2: Convert to fraction form
    18,424.62/25,422.80 = 10,357.15/x
  3. Step 3: Cross multiply
    18,424.62x = 25,422.80 × 10,357.15
  4. Step 4: Simplify right side
    18,424.62x = 263,307,753.02
  5. Step 5: Solve for x
    x = 263,307,753.02/18,424.62
  6. Step 6: Final answer
    x = 14,291.08

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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.