Home / 15,479.06-23,223.22-6,120.40

Finding the Fourth Proportional to 15,479.06, 23,223.22 and 6,120.40

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Solution

The fourth proportional to 15,479.06, 23,223.22 and 6,120.40 is: 9,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479.06 : 23,223.22 = 6,120.40 : x
  2. Step 2: Convert to fraction form
    15,479.06/23,223.22 = 6,120.40/x
  3. Step 3: Cross multiply
    15,479.06x = 23,223.22 × 6,120.40
  4. Step 4: Simplify right side
    15,479.06x = 142,135,395.69
  5. Step 5: Solve for x
    x = 142,135,395.69/15,479.06
  6. Step 6: Final answer
    x = 9,182.43

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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.