Home / 14,972.40-22,458.60-5,109.30

Finding the Fourth Proportional to 14,972.40, 22,458.60 and 5,109.30

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Solution

The fourth proportional to 14,972.40, 22,458.60 and 5,109.30 is: 7,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.40 : 22,458.60 = 5,109.30 : x
  2. Step 2: Convert to fraction form
    14,972.40/22,458.60 = 5,109.30/x
  3. Step 3: Cross multiply
    14,972.40x = 22,458.60 × 5,109.30
  4. Step 4: Simplify right side
    14,972.40x = 114,747,724.98
  5. Step 5: Solve for x
    x = 114,747,724.98/14,972.40
  6. Step 6: Final answer
    x = 7,663.95

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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.