Home / 15,178.89-22,772.04-5,818.74

Finding the Fourth Proportional to 15,178.89, 22,772.04 and 5,818.74

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Solution

The fourth proportional to 15,178.89, 22,772.04 and 5,818.74 is: 8,729.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.89 : 22,772.04 = 5,818.74 : x
  2. Step 2: Convert to fraction form
    15,178.89/22,772.04 = 5,818.74/x
  3. Step 3: Cross multiply
    15,178.89x = 22,772.04 × 5,818.74
  4. Step 4: Simplify right side
    15,178.89x = 132,504,472.81
  5. Step 5: Solve for x
    x = 132,504,472.81/15,178.89
  6. Step 6: Final answer
    x = 8,729.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.