Home / 14,693.86-20,275.37-8,725.78

Finding the Fourth Proportional to 14,693.86, 20,275.37 and 8,725.78

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Solution

The fourth proportional to 14,693.86, 20,275.37 and 8,725.78 is: 12,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.86 : 20,275.37 = 8,725.78 : x
  2. Step 2: Convert to fraction form
    14,693.86/20,275.37 = 8,725.78/x
  3. Step 3: Cross multiply
    14,693.86x = 20,275.37 × 8,725.78
  4. Step 4: Simplify right side
    14,693.86x = 176,918,418.04
  5. Step 5: Solve for x
    x = 176,918,418.04/14,693.86
  6. Step 6: Final answer
    x = 12,040.30

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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.