Home / 32,686.96-45,112.68-18,348.32

Finding the Fourth Proportional to 32,686.96, 45,112.68 and 18,348.32

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Solution

The fourth proportional to 32,686.96, 45,112.68 and 18,348.32 is: 25,323.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,686.96 : 45,112.68 = 18,348.32 : x
  2. Step 2: Convert to fraction form
    32,686.96/45,112.68 = 18,348.32/x
  3. Step 3: Cross multiply
    32,686.96x = 45,112.68 × 18,348.32
  4. Step 4: Simplify right side
    32,686.96x = 827,741,888.70
  5. Step 5: Solve for x
    x = 827,741,888.70/32,686.96
  6. Step 6: Final answer
    x = 25,323.31

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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.