Home / 22,886.32-31,461.61-19,687.88

Finding the Fourth Proportional to 22,886.32, 31,461.61 and 19,687.88

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Solution

The fourth proportional to 22,886.32, 31,461.61 and 19,687.88 is: 27,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,886.32 : 31,461.61 = 19,687.88 : x
  2. Step 2: Convert to fraction form
    22,886.32/31,461.61 = 19,687.88/x
  3. Step 3: Cross multiply
    22,886.32x = 31,461.61 × 19,687.88
  4. Step 4: Simplify right side
    22,886.32x = 619,412,402.29
  5. Step 5: Solve for x
    x = 619,412,402.29/22,886.32
  6. Step 6: Final answer
    x = 27,064.74

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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.