Home / 14,866.88-20,513.07-8,575.61

Finding the Fourth Proportional to 14,866.88, 20,513.07 and 8,575.61

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Solution

The fourth proportional to 14,866.88, 20,513.07 and 8,575.61 is: 11,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,866.88 : 20,513.07 = 8,575.61 : x
  2. Step 2: Convert to fraction form
    14,866.88/20,513.07 = 8,575.61/x
  3. Step 3: Cross multiply
    14,866.88x = 20,513.07 × 8,575.61
  4. Step 4: Simplify right side
    14,866.88x = 175,911,985.66
  5. Step 5: Solve for x
    x = 175,911,985.66/14,866.88
  6. Step 6: Final answer
    x = 11,832.48

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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.