Home / 20,432.52-28,185.48-14,058.36

Finding the Fourth Proportional to 20,432.52, 28,185.48 and 14,058.36

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Solution

The fourth proportional to 20,432.52, 28,185.48 and 14,058.36 is: 19,392.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432.52 : 28,185.48 = 14,058.36 : x
  2. Step 2: Convert to fraction form
    20,432.52/28,185.48 = 14,058.36/x
  3. Step 3: Cross multiply
    20,432.52x = 28,185.48 × 14,058.36
  4. Step 4: Simplify right side
    20,432.52x = 396,241,624.61
  5. Step 5: Solve for x
    x = 396,241,624.61/20,432.52
  6. Step 6: Final answer
    x = 19,392.69

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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.