Home / 28,253.22-38,996.61-19,304.34

Finding the Fourth Proportional to 28,253.22, 38,996.61 and 19,304.34

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Solution

The fourth proportional to 28,253.22, 38,996.61 and 19,304.34 is: 26,644.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,253.22 : 38,996.61 = 19,304.34 : x
  2. Step 2: Convert to fraction form
    28,253.22/38,996.61 = 19,304.34/x
  3. Step 3: Cross multiply
    28,253.22x = 38,996.61 × 19,304.34
  4. Step 4: Simplify right side
    28,253.22x = 752,803,818.29
  5. Step 5: Solve for x
    x = 752,803,818.29/28,253.22
  6. Step 6: Final answer
    x = 26,644.89

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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.