Home / 32,983.20-45,518.56-18,838.88

Finding the Fourth Proportional to 32,983.20, 45,518.56 and 18,838.88

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Solution

The fourth proportional to 32,983.20, 45,518.56 and 18,838.88 is: 25,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,983.20 : 45,518.56 = 18,838.88 : x
  2. Step 2: Convert to fraction form
    32,983.20/45,518.56 = 18,838.88/x
  3. Step 3: Cross multiply
    32,983.20x = 45,518.56 × 18,838.88
  4. Step 4: Simplify right side
    32,983.20x = 857,518,689.61
  5. Step 5: Solve for x
    x = 857,518,689.61/32,983.20
  6. Step 6: Final answer
    x = 25,998.65

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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.