Home / 14,876.48-20,518.80-12,634.82

Finding the Fourth Proportional to 14,876.48, 20,518.80 and 12,634.82

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Solution

The fourth proportional to 14,876.48, 20,518.80 and 12,634.82 is: 17,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,876.48 : 20,518.80 = 12,634.82 : x
  2. Step 2: Convert to fraction form
    14,876.48/20,518.80 = 12,634.82/x
  3. Step 3: Cross multiply
    14,876.48x = 20,518.80 × 12,634.82
  4. Step 4: Simplify right side
    14,876.48x = 259,251,344.62
  5. Step 5: Solve for x
    x = 259,251,344.62/14,876.48
  6. Step 6: Final answer
    x = 17,426.93

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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.