Home / 25,799.85-38,700.63-9,159.66

Finding the Fourth Proportional to 25,799.85, 38,700.63 and 9,159.66

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Solution

The fourth proportional to 25,799.85, 38,700.63 and 9,159.66 is: 13,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,799.85 : 38,700.63 = 9,159.66 : x
  2. Step 2: Convert to fraction form
    25,799.85/38,700.63 = 9,159.66/x
  3. Step 3: Cross multiply
    25,799.85x = 38,700.63 × 9,159.66
  4. Step 4: Simplify right side
    25,799.85x = 354,484,612.59
  5. Step 5: Solve for x
    x = 354,484,612.59/25,799.85
  6. Step 6: Final answer
    x = 13,739.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.