Home / 12,882.80-19,329.60-9,624.18

Finding the Fourth Proportional to 12,882.80, 19,329.60 and 9,624.18

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Solution

The fourth proportional to 12,882.80, 19,329.60 and 9,624.18 is: 14,440.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,882.80 : 19,329.60 = 9,624.18 : x
  2. Step 2: Convert to fraction form
    12,882.80/19,329.60 = 9,624.18/x
  3. Step 3: Cross multiply
    12,882.80x = 19,329.60 × 9,624.18
  4. Step 4: Simplify right side
    12,882.80x = 186,031,549.73
  5. Step 5: Solve for x
    x = 186,031,549.73/12,882.80
  6. Step 6: Final answer
    x = 14,440.30

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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.