Home / 18,458.16-25,472.40-10,074.88

Finding the Fourth Proportional to 18,458.16, 25,472.40 and 10,074.88

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Solution

The fourth proportional to 18,458.16, 25,472.40 and 10,074.88 is: 13,903.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,458.16 : 25,472.40 = 10,074.88 : x
  2. Step 2: Convert to fraction form
    18,458.16/25,472.40 = 10,074.88/x
  3. Step 3: Cross multiply
    18,458.16x = 25,472.40 × 10,074.88
  4. Step 4: Simplify right side
    18,458.16x = 256,631,373.31
  5. Step 5: Solve for x
    x = 256,631,373.31/18,458.16
  6. Step 6: Final answer
    x = 13,903.41

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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.