Home / 25,261.10-37,891.65-11,221.10

Finding the Fourth Proportional to 25,261.10, 37,891.65 and 11,221.10

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Solution

The fourth proportional to 25,261.10, 37,891.65 and 11,221.10 is: 16,831.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.10 : 37,891.65 = 11,221.10 : x
  2. Step 2: Convert to fraction form
    25,261.10/37,891.65 = 11,221.10/x
  3. Step 3: Cross multiply
    25,261.10x = 37,891.65 × 11,221.10
  4. Step 4: Simplify right side
    25,261.10x = 425,185,993.82
  5. Step 5: Solve for x
    x = 425,185,993.82/25,261.10
  6. Step 6: Final answer
    x = 16,831.65

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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.