Home / 32,612.15-45,005.88-18,272.58

Finding the Fourth Proportional to 32,612.15, 45,005.88 and 18,272.58

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Solution

The fourth proportional to 32,612.15, 45,005.88 and 18,272.58 is: 25,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.15 : 45,005.88 = 18,272.58 : x
  2. Step 2: Convert to fraction form
    32,612.15/45,005.88 = 18,272.58/x
  3. Step 3: Cross multiply
    32,612.15x = 45,005.88 × 18,272.58
  4. Step 4: Simplify right side
    32,612.15x = 822,373,542.77
  5. Step 5: Solve for x
    x = 822,373,542.77/32,612.15
  6. Step 6: Final answer
    x = 25,216.78

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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.