Home / 23,270.40-32,112.18-12,659.40

Finding the Fourth Proportional to 23,270.40, 32,112.18 and 12,659.40

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Solution

The fourth proportional to 23,270.40, 32,112.18 and 12,659.40 is: 17,469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.40 : 32,112.18 = 12,659.40 : x
  2. Step 2: Convert to fraction form
    23,270.40/32,112.18 = 12,659.40/x
  3. Step 3: Cross multiply
    23,270.40x = 32,112.18 × 12,659.40
  4. Step 4: Simplify right side
    23,270.40x = 406,520,931.49
  5. Step 5: Solve for x
    x = 406,520,931.49/23,270.40
  6. Step 6: Final answer
    x = 17,469.44

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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.