Home / 22,617.51-31,209.34-12,544.58

Finding the Fourth Proportional to 22,617.51, 31,209.34 and 12,544.58

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Solution

The fourth proportional to 22,617.51, 31,209.34 and 12,544.58 is: 17,309.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,617.51 : 31,209.34 = 12,544.58 : x
  2. Step 2: Convert to fraction form
    22,617.51/31,209.34 = 12,544.58/x
  3. Step 3: Cross multiply
    22,617.51x = 31,209.34 × 12,544.58
  4. Step 4: Simplify right side
    22,617.51x = 391,508,139.44
  5. Step 5: Solve for x
    x = 391,508,139.44/22,617.51
  6. Step 6: Final answer
    x = 17,309.96

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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.