Home / 14,754.38-20,360.79-8,040.06

Finding the Fourth Proportional to 14,754.38, 20,360.79 and 8,040.06

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Solution

The fourth proportional to 14,754.38, 20,360.79 and 8,040.06 is: 11,095.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.38 : 20,360.79 = 8,040.06 : x
  2. Step 2: Convert to fraction form
    14,754.38/20,360.79 = 8,040.06/x
  3. Step 3: Cross multiply
    14,754.38x = 20,360.79 × 8,040.06
  4. Step 4: Simplify right side
    14,754.38x = 163,701,973.25
  5. Step 5: Solve for x
    x = 163,701,973.25/14,754.38
  6. Step 6: Final answer
    x = 11,095.15

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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.