Home / 14,771.42-22,132.05-8,915.72

Finding the Fourth Proportional to 14,771.42, 22,132.05 and 8,915.72

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Solution

The fourth proportional to 14,771.42, 22,132.05 and 8,915.72 is: 13,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.42 : 22,132.05 = 8,915.72 : x
  2. Step 2: Convert to fraction form
    14,771.42/22,132.05 = 8,915.72/x
  3. Step 3: Cross multiply
    14,771.42x = 22,132.05 × 8,915.72
  4. Step 4: Simplify right side
    14,771.42x = 197,323,050.17
  5. Step 5: Solve for x
    x = 197,323,050.17/14,771.42
  6. Step 6: Final answer
    x = 13,358.44

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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.