Home / 25,910.77-35,750.82-15,301.99

Finding the Fourth Proportional to 25,910.77, 35,750.82 and 15,301.99

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Solution

The fourth proportional to 25,910.77, 35,750.82 and 15,301.99 is: 21,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,910.77 : 35,750.82 = 15,301.99 : x
  2. Step 2: Convert to fraction form
    25,910.77/35,750.82 = 15,301.99/x
  3. Step 3: Cross multiply
    25,910.77x = 35,750.82 × 15,301.99
  4. Step 4: Simplify right side
    25,910.77x = 547,058,690.13
  5. Step 5: Solve for x
    x = 547,058,690.13/25,910.77
  6. Step 6: Final answer
    x = 21,113.18

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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.