Home / 25,859.16-35,687.79-15,250.86

Finding the Fourth Proportional to 25,859.16, 35,687.79 and 15,250.86

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Solution

The fourth proportional to 25,859.16, 35,687.79 and 15,250.86 is: 21,047.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,859.16 : 35,687.79 = 15,250.86 : x
  2. Step 2: Convert to fraction form
    25,859.16/35,687.79 = 15,250.86/x
  3. Step 3: Cross multiply
    25,859.16x = 35,687.79 × 15,250.86
  4. Step 4: Simplify right side
    25,859.16x = 544,269,489.00
  5. Step 5: Solve for x
    x = 544,269,489.00/25,859.16
  6. Step 6: Final answer
    x = 21,047.45

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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.