Home / 22,630.06-31,226.92-12,555.88

Finding the Fourth Proportional to 22,630.06, 31,226.92 and 12,555.88

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Solution

The fourth proportional to 22,630.06, 31,226.92 and 12,555.88 is: 17,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,630.06 : 31,226.92 = 12,555.88 : x
  2. Step 2: Convert to fraction form
    22,630.06/31,226.92 = 12,555.88/x
  3. Step 3: Cross multiply
    22,630.06x = 31,226.92 × 12,555.88
  4. Step 4: Simplify right side
    22,630.06x = 392,081,460.29
  5. Step 5: Solve for x
    x = 392,081,460.29/22,630.06
  6. Step 6: Final answer
    x = 17,325.69

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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.