Home / 14,831.47-20,466.93-8,116.65

Finding the Fourth Proportional to 14,831.47, 20,466.93 and 8,116.65

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Solution

The fourth proportional to 14,831.47, 20,466.93 and 8,116.65 is: 11,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.47 : 20,466.93 = 8,116.65 : x
  2. Step 2: Convert to fraction form
    14,831.47/20,466.93 = 8,116.65/x
  3. Step 3: Cross multiply
    14,831.47x = 20,466.93 × 8,116.65
  4. Step 4: Simplify right side
    14,831.47x = 166,122,805.05
  5. Step 5: Solve for x
    x = 166,122,805.05/14,831.47
  6. Step 6: Final answer
    x = 11,200.70

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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.