Home / 14,767.30-20,378.28-8,052.79

Finding the Fourth Proportional to 14,767.30, 20,378.28 and 8,052.79

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Solution

The fourth proportional to 14,767.30, 20,378.28 and 8,052.79 is: 11,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.30 : 20,378.28 = 8,052.79 : x
  2. Step 2: Convert to fraction form
    14,767.30/20,378.28 = 8,052.79/x
  3. Step 3: Cross multiply
    14,767.30x = 20,378.28 × 8,052.79
  4. Step 4: Simplify right side
    14,767.30x = 164,102,009.40
  5. Step 5: Solve for x
    x = 164,102,009.40/14,767.30
  6. Step 6: Final answer
    x = 11,112.53

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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.