Home / 25,461.84-38,197.80-7,930.92

Finding the Fourth Proportional to 25,461.84, 38,197.80 and 7,930.92

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Solution

The fourth proportional to 25,461.84, 38,197.80 and 7,930.92 is: 11,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,461.84 : 38,197.80 = 7,930.92 : x
  2. Step 2: Convert to fraction form
    25,461.84/38,197.80 = 7,930.92/x
  3. Step 3: Cross multiply
    25,461.84x = 38,197.80 × 7,930.92
  4. Step 4: Simplify right side
    25,461.84x = 302,943,695.98
  5. Step 5: Solve for x
    x = 302,943,695.98/25,461.84
  6. Step 6: Final answer
    x = 11,897.95

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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.