Home / 14,065.25-19,410.71-8,761.77

Finding the Fourth Proportional to 14,065.25, 19,410.71 and 8,761.77

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Solution

The fourth proportional to 14,065.25, 19,410.71 and 8,761.77 is: 12,091.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.25 : 19,410.71 = 8,761.77 : x
  2. Step 2: Convert to fraction form
    14,065.25/19,410.71 = 8,761.77/x
  3. Step 3: Cross multiply
    14,065.25x = 19,410.71 × 8,761.77
  4. Step 4: Simplify right side
    14,065.25x = 170,072,132.75
  5. Step 5: Solve for x
    x = 170,072,132.75/14,065.25
  6. Step 6: Final answer
    x = 12,091.66

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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.