Home / 25,825.02-35,637.36-15,751.86

Finding the Fourth Proportional to 25,825.02, 35,637.36 and 15,751.86

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Solution

The fourth proportional to 25,825.02, 35,637.36 and 15,751.86 is: 21,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.02 : 35,637.36 = 15,751.86 : x
  2. Step 2: Convert to fraction form
    25,825.02/35,637.36 = 15,751.86/x
  3. Step 3: Cross multiply
    25,825.02x = 35,637.36 × 15,751.86
  4. Step 4: Simplify right side
    25,825.02x = 561,354,705.49
  5. Step 5: Solve for x
    x = 561,354,705.49/25,825.02
  6. Step 6: Final answer
    x = 21,736.85

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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.