Home / 22,844.16-31,529.52-13,415.76

Finding the Fourth Proportional to 22,844.16, 31,529.52 and 13,415.76

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Solution

The fourth proportional to 22,844.16, 31,529.52 and 13,415.76 is: 18,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,844.16 : 31,529.52 = 13,415.76 : x
  2. Step 2: Convert to fraction form
    22,844.16/31,529.52 = 13,415.76/x
  3. Step 3: Cross multiply
    22,844.16x = 31,529.52 × 13,415.76
  4. Step 4: Simplify right side
    22,844.16x = 422,992,473.24
  5. Step 5: Solve for x
    x = 422,992,473.24/22,844.16
  6. Step 6: Final answer
    x = 18,516.44

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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.