Home / 12,824.48-19,186.10-9,713.46

Finding the Fourth Proportional to 12,824.48, 19,186.10 and 9,713.46

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Solution

The fourth proportional to 12,824.48, 19,186.10 and 9,713.46 is: 14,531.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.48 : 19,186.10 = 9,713.46 : x
  2. Step 2: Convert to fraction form
    12,824.48/19,186.10 = 9,713.46/x
  3. Step 3: Cross multiply
    12,824.48x = 19,186.10 × 9,713.46
  4. Step 4: Simplify right side
    12,824.48x = 186,363,414.91
  5. Step 5: Solve for x
    x = 186,363,414.91/12,824.48
  6. Step 6: Final answer
    x = 14,531.85

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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.