Home / 14,716.21-20,307.82-8,001.61

Finding the Fourth Proportional to 14,716.21, 20,307.82 and 8,001.61

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Solution

The fourth proportional to 14,716.21, 20,307.82 and 8,001.61 is: 11,041.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.21 : 20,307.82 = 8,001.61 : x
  2. Step 2: Convert to fraction form
    14,716.21/20,307.82 = 8,001.61/x
  3. Step 3: Cross multiply
    14,716.21x = 20,307.82 × 8,001.61
  4. Step 4: Simplify right side
    14,716.21x = 162,495,114.04
  5. Step 5: Solve for x
    x = 162,495,114.04/14,716.21
  6. Step 6: Final answer
    x = 11,041.91

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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.