Home / 17,680.55-26,515.15-5,831.66

Finding the Fourth Proportional to 17,680.55, 26,515.15 and 5,831.66

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Solution

The fourth proportional to 17,680.55, 26,515.15 and 5,831.66 is: 8,745.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680.55 : 26,515.15 = 5,831.66 : x
  2. Step 2: Convert to fraction form
    17,680.55/26,515.15 = 5,831.66/x
  3. Step 3: Cross multiply
    17,680.55x = 26,515.15 × 5,831.66
  4. Step 4: Simplify right side
    17,680.55x = 154,627,279.50
  5. Step 5: Solve for x
    x = 154,627,279.50/17,680.55
  6. Step 6: Final answer
    x = 8,745.62

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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.