Home / 22,807.10-31,473.81-13,375.70

Finding the Fourth Proportional to 22,807.10, 31,473.81 and 13,375.70

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Solution

The fourth proportional to 22,807.10, 31,473.81 and 13,375.70 is: 18,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,807.10 : 31,473.81 = 13,375.70 : x
  2. Step 2: Convert to fraction form
    22,807.10/31,473.81 = 13,375.70/x
  3. Step 3: Cross multiply
    22,807.10x = 31,473.81 × 13,375.70
  4. Step 4: Simplify right side
    22,807.10x = 420,984,240.42
  5. Step 5: Solve for x
    x = 420,984,240.42/22,807.10
  6. Step 6: Final answer
    x = 18,458.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.