Home / 18,953.66-28,394.96-15,853.59

Finding the Fourth Proportional to 18,953.66, 28,394.96 and 15,853.59

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Solution

The fourth proportional to 18,953.66, 28,394.96 and 15,853.59 is: 23,750.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.66 : 28,394.96 = 15,853.59 : x
  2. Step 2: Convert to fraction form
    18,953.66/28,394.96 = 15,853.59/x
  3. Step 3: Cross multiply
    18,953.66x = 28,394.96 × 15,853.59
  4. Step 4: Simplify right side
    18,953.66x = 450,161,974.64
  5. Step 5: Solve for x
    x = 450,161,974.64/18,953.66
  6. Step 6: Final answer
    x = 23,750.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.