Home / 25,910.29-35,750.40-15,294.25

Finding the Fourth Proportional to 25,910.29, 35,750.40 and 15,294.25

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Solution

The fourth proportional to 25,910.29, 35,750.40 and 15,294.25 is: 21,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.29 : 35,750.40 = 15,294.25 : x
  2. Step 2: Convert to fraction form
    25,910.29/35,750.40 = 15,294.25/x
  3. Step 3: Cross multiply
    25,910.29x = 35,750.40 × 15,294.25
  4. Step 4: Simplify right side
    25,910.29x = 546,775,555.20
  5. Step 5: Solve for x
    x = 546,775,555.20/25,910.29
  6. Step 6: Final answer
    x = 21,102.64

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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.