Home / 23,270.70-32,112.65-12,660.11

Finding the Fourth Proportional to 23,270.70, 32,112.65 and 12,660.11

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Solution

The fourth proportional to 23,270.70, 32,112.65 and 12,660.11 is: 17,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.70 : 32,112.65 = 12,660.11 : x
  2. Step 2: Convert to fraction form
    23,270.70/32,112.65 = 12,660.11/x
  3. Step 3: Cross multiply
    23,270.70x = 32,112.65 × 12,660.11
  4. Step 4: Simplify right side
    23,270.70x = 406,549,457.53
  5. Step 5: Solve for x
    x = 406,549,457.53/23,270.70
  6. Step 6: Final answer
    x = 17,470.44

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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.