Home / 22,638.45-31,240.48-12,566.63

Finding the Fourth Proportional to 22,638.45, 31,240.48 and 12,566.63

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Solution

The fourth proportional to 22,638.45, 31,240.48 and 12,566.63 is: 17,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,638.45 : 31,240.48 = 12,566.63 : x
  2. Step 2: Convert to fraction form
    22,638.45/31,240.48 = 12,566.63/x
  3. Step 3: Cross multiply
    22,638.45x = 31,240.48 × 12,566.63
  4. Step 4: Simplify right side
    22,638.45x = 392,587,553.18
  5. Step 5: Solve for x
    x = 392,587,553.18/22,638.45
  6. Step 6: Final answer
    x = 17,341.63

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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.