Home / 23,108.46-31,889.73-12,498.20

Finding the Fourth Proportional to 23,108.46, 31,889.73 and 12,498.20

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Solution

The fourth proportional to 23,108.46, 31,889.73 and 12,498.20 is: 17,247.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.46 : 31,889.73 = 12,498.20 : x
  2. Step 2: Convert to fraction form
    23,108.46/31,889.73 = 12,498.20/x
  3. Step 3: Cross multiply
    23,108.46x = 31,889.73 × 12,498.20
  4. Step 4: Simplify right side
    23,108.46x = 398,564,064.04
  5. Step 5: Solve for x
    x = 398,564,064.04/23,108.46
  6. Step 6: Final answer
    x = 17,247.54

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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.