Home / 14,854.88-20,498.97-8,140.52

Finding the Fourth Proportional to 14,854.88, 20,498.97 and 8,140.52

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Solution

The fourth proportional to 14,854.88, 20,498.97 and 8,140.52 is: 11,233.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.88 : 20,498.97 = 8,140.52 : x
  2. Step 2: Convert to fraction form
    14,854.88/20,498.97 = 8,140.52/x
  3. Step 3: Cross multiply
    14,854.88x = 20,498.97 × 8,140.52
  4. Step 4: Simplify right side
    14,854.88x = 166,872,275.26
  5. Step 5: Solve for x
    x = 166,872,275.26/14,854.88
  6. Step 6: Final answer
    x = 11,233.50

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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.