Home / 18,425.12-25,426.76-10,467.79

Finding the Fourth Proportional to 18,425.12, 25,426.76 and 10,467.79

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Solution

The fourth proportional to 18,425.12, 25,426.76 and 10,467.79 is: 14,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.12 : 25,426.76 = 10,467.79 : x
  2. Step 2: Convert to fraction form
    18,425.12/25,426.76 = 10,467.79/x
  3. Step 3: Cross multiply
    18,425.12x = 25,426.76 × 10,467.79
  4. Step 4: Simplify right side
    18,425.12x = 266,161,868.15
  5. Step 5: Solve for x
    x = 266,161,868.15/18,425.12
  6. Step 6: Final answer
    x = 14,445.60

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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.