Home / 33,445.11-46,154.06-18,338.40

Finding the Fourth Proportional to 33,445.11, 46,154.06 and 18,338.40

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Solution

The fourth proportional to 33,445.11, 46,154.06 and 18,338.40 is: 25,306.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,445.11 : 46,154.06 = 18,338.40 : x
  2. Step 2: Convert to fraction form
    33,445.11/46,154.06 = 18,338.40/x
  3. Step 3: Cross multiply
    33,445.11x = 46,154.06 × 18,338.40
  4. Step 4: Simplify right side
    33,445.11x = 846,391,832.83
  5. Step 5: Solve for x
    x = 846,391,832.83/33,445.11
  6. Step 6: Final answer
    x = 25,306.90

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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.