Home / 23,556.16-32,507.10-12,945.78

Finding the Fourth Proportional to 23,556.16, 32,507.10 and 12,945.78

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Solution

The fourth proportional to 23,556.16, 32,507.10 and 12,945.78 is: 17,864.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,556.16 : 32,507.10 = 12,945.78 : x
  2. Step 2: Convert to fraction form
    23,556.16/32,507.10 = 12,945.78/x
  3. Step 3: Cross multiply
    23,556.16x = 32,507.10 × 12,945.78
  4. Step 4: Simplify right side
    23,556.16x = 420,829,765.04
  5. Step 5: Solve for x
    x = 420,829,765.04/23,556.16
  6. Step 6: Final answer
    x = 17,864.96

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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.