Home / 25,570.12-38,299.76-12,394.92

Finding the Fourth Proportional to 25,570.12, 38,299.76 and 12,394.92

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Solution

The fourth proportional to 25,570.12, 38,299.76 and 12,394.92 is: 18,565.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570.12 : 38,299.76 = 12,394.92 : x
  2. Step 2: Convert to fraction form
    25,570.12/38,299.76 = 12,394.92/x
  3. Step 3: Cross multiply
    25,570.12x = 38,299.76 × 12,394.92
  4. Step 4: Simplify right side
    25,570.12x = 474,722,461.22
  5. Step 5: Solve for x
    x = 474,722,461.22/25,570.12
  6. Step 6: Final answer
    x = 18,565.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.