Home / 14,175.52-21,263.29-3,787

Finding the Fourth Proportional to 14,175.52, 21,263.29 and 3,787

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Solution

The fourth proportional to 14,175.52, 21,263.29 and 3,787 is: 5,680.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,175.52 : 21,263.29 = 3,787 : x
  2. Step 2: Convert to fraction form
    14,175.52/21,263.29 = 3,787/x
  3. Step 3: Cross multiply
    14,175.52x = 21,263.29 × 3,787
  4. Step 4: Simplify right side
    14,175.52x = 80,524,079.23
  5. Step 5: Solve for x
    x = 80,524,079.23/14,175.52
  6. Step 6: Final answer
    x = 5,680.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.