Home / 32,989.34-45,531.38-18,842.18

Finding the Fourth Proportional to 32,989.34, 45,531.38 and 18,842.18

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Solution

The fourth proportional to 32,989.34, 45,531.38 and 18,842.18 is: 26,005.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.34 : 45,531.38 = 18,842.18 : x
  2. Step 2: Convert to fraction form
    32,989.34/45,531.38 = 18,842.18/x
  3. Step 3: Cross multiply
    32,989.34x = 45,531.38 × 18,842.18
  4. Step 4: Simplify right side
    32,989.34x = 857,910,135.74
  5. Step 5: Solve for x
    x = 857,910,135.74/32,989.34
  6. Step 6: Final answer
    x = 26,005.68

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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.