Home / 22,497.43-31,047.08-12,289.10

Finding the Fourth Proportional to 22,497.43, 31,047.08 and 12,289.10

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Solution

The fourth proportional to 22,497.43, 31,047.08 and 12,289.10 is: 16,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,497.43 : 31,047.08 = 12,289.10 : x
  2. Step 2: Convert to fraction form
    22,497.43/31,047.08 = 12,289.10/x
  3. Step 3: Cross multiply
    22,497.43x = 31,047.08 × 12,289.10
  4. Step 4: Simplify right side
    22,497.43x = 381,540,697.91
  5. Step 5: Solve for x
    x = 381,540,697.91/22,497.43
  6. Step 6: Final answer
    x = 16,959.30

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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.