Home / 23,678.16-32,678.61-13,470.66

Finding the Fourth Proportional to 23,678.16, 32,678.61 and 13,470.66

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Solution

The fourth proportional to 23,678.16, 32,678.61 and 13,470.66 is: 18,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,678.16 : 32,678.61 = 13,470.66 : x
  2. Step 2: Convert to fraction form
    23,678.16/32,678.61 = 13,470.66/x
  3. Step 3: Cross multiply
    23,678.16x = 32,678.61 × 13,470.66
  4. Step 4: Simplify right side
    23,678.16x = 440,202,444.58
  5. Step 5: Solve for x
    x = 440,202,444.58/23,678.16
  6. Step 6: Final answer
    x = 18,591.07

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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.