Home / 25,435.01-35,091.90-15,359.63

Finding the Fourth Proportional to 25,435.01, 35,091.90 and 15,359.63

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Solution

The fourth proportional to 25,435.01, 35,091.90 and 15,359.63 is: 21,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,435.01 : 35,091.90 = 15,359.63 : x
  2. Step 2: Convert to fraction form
    25,435.01/35,091.90 = 15,359.63/x
  3. Step 3: Cross multiply
    25,435.01x = 35,091.90 × 15,359.63
  4. Step 4: Simplify right side
    25,435.01x = 538,998,424.54
  5. Step 5: Solve for x
    x = 538,998,424.54/25,435.01
  6. Step 6: Final answer
    x = 21,191.20

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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.