Home / 22,657.08-31,278.13-14,163.92

Finding the Fourth Proportional to 22,657.08, 31,278.13 and 14,163.92

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Solution

The fourth proportional to 22,657.08, 31,278.13 and 14,163.92 is: 19,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,657.08 : 31,278.13 = 14,163.92 : x
  2. Step 2: Convert to fraction form
    22,657.08/31,278.13 = 14,163.92/x
  3. Step 3: Cross multiply
    22,657.08x = 31,278.13 × 14,163.92
  4. Step 4: Simplify right side
    22,657.08x = 443,020,931.07
  5. Step 5: Solve for x
    x = 443,020,931.07/22,657.08
  6. Step 6: Final answer
    x = 19,553.31

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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.