Home / 23,788.40-32,828.24-13,178.66

Finding the Fourth Proportional to 23,788.40, 32,828.24 and 13,178.66

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Solution

The fourth proportional to 23,788.40, 32,828.24 and 13,178.66 is: 18,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,788.40 : 32,828.24 = 13,178.66 : x
  2. Step 2: Convert to fraction form
    23,788.40/32,828.24 = 13,178.66/x
  3. Step 3: Cross multiply
    23,788.40x = 32,828.24 × 13,178.66
  4. Step 4: Simplify right side
    23,788.40x = 432,632,082.16
  5. Step 5: Solve for x
    x = 432,632,082.16/23,788.40
  6. Step 6: Final answer
    x = 18,186.69

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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.