Home / 25,808.16-35,617.30-15,199.86

Finding the Fourth Proportional to 25,808.16, 35,617.30 and 15,199.86

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Solution

The fourth proportional to 25,808.16, 35,617.30 and 15,199.86 is: 20,977.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.16 : 35,617.30 = 15,199.86 : x
  2. Step 2: Convert to fraction form
    25,808.16/35,617.30 = 15,199.86/x
  3. Step 3: Cross multiply
    25,808.16x = 35,617.30 × 15,199.86
  4. Step 4: Simplify right side
    25,808.16x = 541,377,973.58
  5. Step 5: Solve for x
    x = 541,377,973.58/25,808.16
  6. Step 6: Final answer
    x = 20,977.01

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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.