Home / 12,554.20-18,831.30-4,763.02

Finding the Fourth Proportional to 12,554.20, 18,831.30 and 4,763.02

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Solution

The fourth proportional to 12,554.20, 18,831.30 and 4,763.02 is: 7,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.20 : 18,831.30 = 4,763.02 : x
  2. Step 2: Convert to fraction form
    12,554.20/18,831.30 = 4,763.02/x
  3. Step 3: Cross multiply
    12,554.20x = 18,831.30 × 4,763.02
  4. Step 4: Simplify right side
    12,554.20x = 89,693,858.53
  5. Step 5: Solve for x
    x = 89,693,858.53/12,554.20
  6. Step 6: Final answer
    x = 7,144.53

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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.