Home / 14,862.20-22,235.70-9,678.20

Finding the Fourth Proportional to 14,862.20, 22,235.70 and 9,678.20

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Solution

The fourth proportional to 14,862.20, 22,235.70 and 9,678.20 is: 14,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.20 : 22,235.70 = 9,678.20 : x
  2. Step 2: Convert to fraction form
    14,862.20/22,235.70 = 9,678.20/x
  3. Step 3: Cross multiply
    14,862.20x = 22,235.70 × 9,678.20
  4. Step 4: Simplify right side
    14,862.20x = 215,201,551.74
  5. Step 5: Solve for x
    x = 215,201,551.74/14,862.20
  6. Step 6: Final answer
    x = 14,479.79

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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.