Home / 23,308.11-32,165.13-12,697.71

Finding the Fourth Proportional to 23,308.11, 32,165.13 and 12,697.71

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Solution

The fourth proportional to 23,308.11, 32,165.13 and 12,697.71 is: 17,522.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,308.11 : 32,165.13 = 12,697.71 : x
  2. Step 2: Convert to fraction form
    23,308.11/32,165.13 = 12,697.71/x
  3. Step 3: Cross multiply
    23,308.11x = 32,165.13 × 12,697.71
  4. Step 4: Simplify right side
    23,308.11x = 408,423,492.85
  5. Step 5: Solve for x
    x = 408,423,492.85/23,308.11
  6. Step 6: Final answer
    x = 17,522.81

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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.