Home / 13,250.71-18,271.70-9,472.44

Finding the Fourth Proportional to 13,250.71, 18,271.70 and 9,472.44

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Solution

The fourth proportional to 13,250.71, 18,271.70 and 9,472.44 is: 13,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.71 : 18,271.70 = 9,472.44 : x
  2. Step 2: Convert to fraction form
    13,250.71/18,271.70 = 9,472.44/x
  3. Step 3: Cross multiply
    13,250.71x = 18,271.70 × 9,472.44
  4. Step 4: Simplify right side
    13,250.71x = 173,077,665.27
  5. Step 5: Solve for x
    x = 173,077,665.27/13,250.71
  6. Step 6: Final answer
    x = 13,061.76

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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.