Home / 23,156.81-34,748.08-11,310.71

Finding the Fourth Proportional to 23,156.81, 34,748.08 and 11,310.71

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Solution

The fourth proportional to 23,156.81, 34,748.08 and 11,310.71 is: 16,972.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.81 : 34,748.08 = 11,310.71 : x
  2. Step 2: Convert to fraction form
    23,156.81/34,748.08 = 11,310.71/x
  3. Step 3: Cross multiply
    23,156.81x = 34,748.08 × 11,310.71
  4. Step 4: Simplify right side
    23,156.81x = 393,025,514.53
  5. Step 5: Solve for x
    x = 393,025,514.53/23,156.81
  6. Step 6: Final answer
    x = 16,972.35

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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.