Home / 25,903.85-35,747.36-15,294.16

Finding the Fourth Proportional to 25,903.85, 35,747.36 and 15,294.16

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Solution

The fourth proportional to 25,903.85, 35,747.36 and 15,294.16 is: 21,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903.85 : 35,747.36 = 15,294.16 : x
  2. Step 2: Convert to fraction form
    25,903.85/35,747.36 = 15,294.16/x
  3. Step 3: Cross multiply
    25,903.85x = 35,747.36 × 15,294.16
  4. Step 4: Simplify right side
    25,903.85x = 546,725,843.42
  5. Step 5: Solve for x
    x = 546,725,843.42/25,903.85
  6. Step 6: Final answer
    x = 21,105.97

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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.