Home / 32,689.93-45,110.77-18,542.47

Finding the Fourth Proportional to 32,689.93, 45,110.77 and 18,542.47

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Solution

The fourth proportional to 32,689.93, 45,110.77 and 18,542.47 is: 25,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,689.93 : 45,110.77 = 18,542.47 : x
  2. Step 2: Convert to fraction form
    32,689.93/45,110.77 = 18,542.47/x
  3. Step 3: Cross multiply
    32,689.93x = 45,110.77 × 18,542.47
  4. Step 4: Simplify right side
    32,689.93x = 836,465,099.40
  5. Step 5: Solve for x
    x = 836,465,099.40/32,689.93
  6. Step 6: Final answer
    x = 25,587.85

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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.