Home / 12,294.71-16,949.50-10,398.66

Finding the Fourth Proportional to 12,294.71, 16,949.50 and 10,398.66

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Solution

The fourth proportional to 12,294.71, 16,949.50 and 10,398.66 is: 14,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.71 : 16,949.50 = 10,398.66 : x
  2. Step 2: Convert to fraction form
    12,294.71/16,949.50 = 10,398.66/x
  3. Step 3: Cross multiply
    12,294.71x = 16,949.50 × 10,398.66
  4. Step 4: Simplify right side
    12,294.71x = 176,252,087.67
  5. Step 5: Solve for x
    x = 176,252,087.67/12,294.71
  6. Step 6: Final answer
    x = 14,335.60

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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.