Home / 18,425.12-25,427.28-10,041.92

Finding the Fourth Proportional to 18,425.12, 25,427.28 and 10,041.92

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Solution

The fourth proportional to 18,425.12, 25,427.28 and 10,041.92 is: 13,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.12 : 25,427.28 = 10,041.92 : x
  2. Step 2: Convert to fraction form
    18,425.12/25,427.28 = 10,041.92/x
  3. Step 3: Cross multiply
    18,425.12x = 25,427.28 × 10,041.92
  4. Step 4: Simplify right side
    18,425.12x = 255,338,711.58
  5. Step 5: Solve for x
    x = 255,338,711.58/18,425.12
  6. Step 6: Final answer
    x = 13,858.18

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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.