Home / 33,534.50-46,278.60-18,428.10

Finding the Fourth Proportional to 33,534.50, 46,278.60 and 18,428.10

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Solution

The fourth proportional to 33,534.50, 46,278.60 and 18,428.10 is: 25,431.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,534.50 : 46,278.60 = 18,428.10 : x
  2. Step 2: Convert to fraction form
    33,534.50/46,278.60 = 18,428.10/x
  3. Step 3: Cross multiply
    33,534.50x = 46,278.60 × 18,428.10
  4. Step 4: Simplify right side
    33,534.50x = 852,826,668.66
  5. Step 5: Solve for x
    x = 852,826,668.66/33,534.50
  6. Step 6: Final answer
    x = 25,431.32

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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.