Home / 22,885.32-31,460.24-19,686.88

Finding the Fourth Proportional to 22,885.32, 31,460.24 and 19,686.88

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Solution

The fourth proportional to 22,885.32, 31,460.24 and 19,686.88 is: 27,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,885.32 : 31,460.24 = 19,686.88 : x
  2. Step 2: Convert to fraction form
    22,885.32/31,460.24 = 19,686.88/x
  3. Step 3: Cross multiply
    22,885.32x = 31,460.24 × 19,686.88
  4. Step 4: Simplify right side
    22,885.32x = 619,353,969.65
  5. Step 5: Solve for x
    x = 619,353,969.65/22,885.32
  6. Step 6: Final answer
    x = 27,063.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.