Home / 25,965.20-35,831.12-16,410.21

Finding the Fourth Proportional to 25,965.20, 35,831.12 and 16,410.21

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Solution

The fourth proportional to 25,965.20, 35,831.12 and 16,410.21 is: 22,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.20 : 35,831.12 = 16,410.21 : x
  2. Step 2: Convert to fraction form
    25,965.20/35,831.12 = 16,410.21/x
  3. Step 3: Cross multiply
    25,965.20x = 35,831.12 × 16,410.21
  4. Step 4: Simplify right side
    25,965.20x = 587,996,203.74
  5. Step 5: Solve for x
    x = 587,996,203.74/25,965.20
  6. Step 6: Final answer
    x = 22,645.55

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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.