Home / 22,730.67-31,337.74-15,915.52

Finding the Fourth Proportional to 22,730.67, 31,337.74 and 15,915.52

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Solution

The fourth proportional to 22,730.67, 31,337.74 and 15,915.52 is: 21,942.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,730.67 : 31,337.74 = 15,915.52 : x
  2. Step 2: Convert to fraction form
    22,730.67/31,337.74 = 15,915.52/x
  3. Step 3: Cross multiply
    22,730.67x = 31,337.74 × 15,915.52
  4. Step 4: Simplify right side
    22,730.67x = 498,756,619.69
  5. Step 5: Solve for x
    x = 498,756,619.69/22,730.67
  6. Step 6: Final answer
    x = 21,942.01

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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.