Home / 32,989.86-45,532.10-18,842.70

Finding the Fourth Proportional to 32,989.86, 45,532.10 and 18,842.70

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Solution

The fourth proportional to 32,989.86, 45,532.10 and 18,842.70 is: 26,006.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.86 : 45,532.10 = 18,842.70 : x
  2. Step 2: Convert to fraction form
    32,989.86/45,532.10 = 18,842.70/x
  3. Step 3: Cross multiply
    32,989.86x = 45,532.10 × 18,842.70
  4. Step 4: Simplify right side
    32,989.86x = 857,947,700.67
  5. Step 5: Solve for x
    x = 857,947,700.67/32,989.86
  6. Step 6: Final answer
    x = 26,006.41

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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.