Home / 14,915.79-22,380.39-7,516.22

Finding the Fourth Proportional to 14,915.79, 22,380.39 and 7,516.22

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Solution

The fourth proportional to 14,915.79, 22,380.39 and 7,516.22 is: 11,277.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.79 : 22,380.39 = 7,516.22 : x
  2. Step 2: Convert to fraction form
    14,915.79/22,380.39 = 7,516.22/x
  3. Step 3: Cross multiply
    14,915.79x = 22,380.39 × 7,516.22
  4. Step 4: Simplify right side
    14,915.79x = 168,215,823.02
  5. Step 5: Solve for x
    x = 168,215,823.02/14,915.79
  6. Step 6: Final answer
    x = 11,277.70

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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.