Home / 18,430.91-25,434.67-10,473.15

Finding the Fourth Proportional to 18,430.91, 25,434.67 and 10,473.15

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Solution

The fourth proportional to 18,430.91, 25,434.67 and 10,473.15 is: 14,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.91 : 25,434.67 = 10,473.15 : x
  2. Step 2: Convert to fraction form
    18,430.91/25,434.67 = 10,473.15/x
  3. Step 3: Cross multiply
    18,430.91x = 25,434.67 × 10,473.15
  4. Step 4: Simplify right side
    18,430.91x = 266,381,087.93
  5. Step 5: Solve for x
    x = 266,381,087.93/18,430.91
  6. Step 6: Final answer
    x = 14,452.95

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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.