Home / 33,154.38-45,756.95-18,620.96

Finding the Fourth Proportional to 33,154.38, 45,756.95 and 18,620.96

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Solution

The fourth proportional to 33,154.38, 45,756.95 and 18,620.96 is: 25,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,154.38 : 45,756.95 = 18,620.96 : x
  2. Step 2: Convert to fraction form
    33,154.38/45,756.95 = 18,620.96/x
  3. Step 3: Cross multiply
    33,154.38x = 45,756.95 × 18,620.96
  4. Step 4: Simplify right side
    33,154.38x = 852,038,013.78
  5. Step 5: Solve for x
    x = 852,038,013.78/33,154.38
  6. Step 6: Final answer
    x = 25,699.11

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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.