Home / 22,846.86-31,529.38-12,775.72

Finding the Fourth Proportional to 22,846.86, 31,529.38 and 12,775.72

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Solution

The fourth proportional to 22,846.86, 31,529.38 and 12,775.72 is: 17,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,846.86 : 31,529.38 = 12,775.72 : x
  2. Step 2: Convert to fraction form
    22,846.86/31,529.38 = 12,775.72/x
  3. Step 3: Cross multiply
    22,846.86x = 31,529.38 × 12,775.72
  4. Step 4: Simplify right side
    22,846.86x = 402,810,530.65
  5. Step 5: Solve for x
    x = 402,810,530.65/22,846.86
  6. Step 6: Final answer
    x = 17,630.89

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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.