Home / 23,555.13-32,505.96-12,945.36

Finding the Fourth Proportional to 23,555.13, 32,505.96 and 12,945.36

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Solution

The fourth proportional to 23,555.13, 32,505.96 and 12,945.36 is: 17,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,555.13 : 32,505.96 = 12,945.36 : x
  2. Step 2: Convert to fraction form
    23,555.13/32,505.96 = 12,945.36/x
  3. Step 3: Cross multiply
    23,555.13x = 32,505.96 × 12,945.36
  4. Step 4: Simplify right side
    23,555.13x = 420,801,354.35
  5. Step 5: Solve for x
    x = 420,801,354.35/23,555.13
  6. Step 6: Final answer
    x = 17,864.53

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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.