Home / 16,544.70-22,831.91-8,991.15

Finding the Fourth Proportional to 16,544.70, 22,831.91 and 8,991.15

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Solution

The fourth proportional to 16,544.70, 22,831.91 and 8,991.15 is: 12,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,544.70 : 22,831.91 = 8,991.15 : x
  2. Step 2: Convert to fraction form
    16,544.70/22,831.91 = 8,991.15/x
  3. Step 3: Cross multiply
    16,544.70x = 22,831.91 × 8,991.15
  4. Step 4: Simplify right side
    16,544.70x = 205,285,127.60
  5. Step 5: Solve for x
    x = 205,285,127.60/16,544.70
  6. Step 6: Final answer
    x = 12,407.91

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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.