Home / 16,601.40-24,909.30-7,831.80

Finding the Fourth Proportional to 16,601.40, 24,909.30 and 7,831.80

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Solution

The fourth proportional to 16,601.40, 24,909.30 and 7,831.80 is: 11,751.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,601.40 : 24,909.30 = 7,831.80 : x
  2. Step 2: Convert to fraction form
    16,601.40/24,909.30 = 7,831.80/x
  3. Step 3: Cross multiply
    16,601.40x = 24,909.30 × 7,831.80
  4. Step 4: Simplify right side
    16,601.40x = 195,084,655.74
  5. Step 5: Solve for x
    x = 195,084,655.74/16,601.40
  6. Step 6: Final answer
    x = 11,751.10

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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.