Home / 12,248.10-18,323.55-10,622.70

Finding the Fourth Proportional to 12,248.10, 18,323.55 and 10,622.70

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Solution

The fourth proportional to 12,248.10, 18,323.55 and 10,622.70 is: 15,891.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.10 : 18,323.55 = 10,622.70 : x
  2. Step 2: Convert to fraction form
    12,248.10/18,323.55 = 10,622.70/x
  3. Step 3: Cross multiply
    12,248.10x = 18,323.55 × 10,622.70
  4. Step 4: Simplify right side
    12,248.10x = 194,645,574.59
  5. Step 5: Solve for x
    x = 194,645,574.59/12,248.10
  6. Step 6: Final answer
    x = 15,891.90

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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.