Home / 22,754.34-31,399.65-12,545.01

Finding the Fourth Proportional to 22,754.34, 31,399.65 and 12,545.01

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Solution

The fourth proportional to 22,754.34, 31,399.65 and 12,545.01 is: 17,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,754.34 : 31,399.65 = 12,545.01 : x
  2. Step 2: Convert to fraction form
    22,754.34/31,399.65 = 12,545.01/x
  3. Step 3: Cross multiply
    22,754.34x = 31,399.65 × 12,545.01
  4. Step 4: Simplify right side
    22,754.34x = 393,908,923.25
  5. Step 5: Solve for x
    x = 393,908,923.25/22,754.34
  6. Step 6: Final answer
    x = 17,311.38

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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.