Home / 25,438.38-35,104.96-15,502.38

Finding the Fourth Proportional to 25,438.38, 35,104.96 and 15,502.38

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Solution

The fourth proportional to 25,438.38, 35,104.96 and 15,502.38 is: 21,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.38 : 35,104.96 = 15,502.38 : x
  2. Step 2: Convert to fraction form
    25,438.38/35,104.96 = 15,502.38/x
  3. Step 3: Cross multiply
    25,438.38x = 35,104.96 × 15,502.38
  4. Step 4: Simplify right side
    25,438.38x = 544,210,254.28
  5. Step 5: Solve for x
    x = 544,210,254.28/25,438.38
  6. Step 6: Final answer
    x = 21,393.28

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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.