Home / 22,818.50-31,445.92-16,433.81

Finding the Fourth Proportional to 22,818.50, 31,445.92 and 16,433.81

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Solution

The fourth proportional to 22,818.50, 31,445.92 and 16,433.81 is: 22,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.50 : 31,445.92 = 16,433.81 : x
  2. Step 2: Convert to fraction form
    22,818.50/31,445.92 = 16,433.81/x
  3. Step 3: Cross multiply
    22,818.50x = 31,445.92 × 16,433.81
  4. Step 4: Simplify right side
    22,818.50x = 516,776,274.56
  5. Step 5: Solve for x
    x = 516,776,274.56/22,818.50
  6. Step 6: Final answer
    x = 22,647.25

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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.