Home / 23,188.43-34,785.20-7,389.79

Finding the Fourth Proportional to 23,188.43, 34,785.20 and 7,389.79

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Solution

The fourth proportional to 23,188.43, 34,785.20 and 7,389.79 is: 11,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,188.43 : 34,785.20 = 7,389.79 : x
  2. Step 2: Convert to fraction form
    23,188.43/34,785.20 = 7,389.79/x
  3. Step 3: Cross multiply
    23,188.43x = 34,785.20 × 7,389.79
  4. Step 4: Simplify right side
    23,188.43x = 257,055,254.62
  5. Step 5: Solve for x
    x = 257,055,254.62/23,188.43
  6. Step 6: Final answer
    x = 11,085.50

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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.