Home / 14,904.87-22,367.55-6,139.78

Finding the Fourth Proportional to 14,904.87, 22,367.55 and 6,139.78

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Solution

The fourth proportional to 14,904.87, 22,367.55 and 6,139.78 is: 9,213.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.87 : 22,367.55 = 6,139.78 : x
  2. Step 2: Convert to fraction form
    14,904.87/22,367.55 = 6,139.78/x
  3. Step 3: Cross multiply
    14,904.87x = 22,367.55 × 6,139.78
  4. Step 4: Simplify right side
    14,904.87x = 137,331,836.14
  5. Step 5: Solve for x
    x = 137,331,836.14/14,904.87
  6. Step 6: Final answer
    x = 9,213.89

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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.