Home / 32,640.38-45,045.54-18,497.78

Finding the Fourth Proportional to 32,640.38, 45,045.54 and 18,497.78

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Solution

The fourth proportional to 32,640.38, 45,045.54 and 18,497.78 is: 25,527.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.38 : 45,045.54 = 18,497.78 : x
  2. Step 2: Convert to fraction form
    32,640.38/45,045.54 = 18,497.78/x
  3. Step 3: Cross multiply
    32,640.38x = 45,045.54 × 18,497.78
  4. Step 4: Simplify right side
    32,640.38x = 833,242,263.67
  5. Step 5: Solve for x
    x = 833,242,263.67/32,640.38
  6. Step 6: Final answer
    x = 25,527.96

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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.