Home / 23,108.16-31,889.10-12,497.64

Finding the Fourth Proportional to 23,108.16, 31,889.10 and 12,497.64

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Solution

The fourth proportional to 23,108.16, 31,889.10 and 12,497.64 is: 17,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.16 : 31,889.10 = 12,497.64 : x
  2. Step 2: Convert to fraction form
    23,108.16/31,889.10 = 12,497.64/x
  3. Step 3: Cross multiply
    23,108.16x = 31,889.10 × 12,497.64
  4. Step 4: Simplify right side
    23,108.16x = 398,538,491.72
  5. Step 5: Solve for x
    x = 398,538,491.72/23,108.16
  6. Step 6: Final answer
    x = 17,246.66

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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.