Home / 14,217.25-19,619.38-8,248.51

Finding the Fourth Proportional to 14,217.25, 19,619.38 and 8,248.51

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Solution

The fourth proportional to 14,217.25, 19,619.38 and 8,248.51 is: 11,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,217.25 : 19,619.38 = 8,248.51 : x
  2. Step 2: Convert to fraction form
    14,217.25/19,619.38 = 8,248.51/x
  3. Step 3: Cross multiply
    14,217.25x = 19,619.38 × 8,248.51
  4. Step 4: Simplify right side
    14,217.25x = 161,830,652.12
  5. Step 5: Solve for x
    x = 161,830,652.12/14,217.25
  6. Step 6: Final answer
    x = 11,382.70

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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.