Home / 13,236.77-19,863.37-8,248.93

Finding the Fourth Proportional to 13,236.77, 19,863.37 and 8,248.93

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Solution

The fourth proportional to 13,236.77, 19,863.37 and 8,248.93 is: 12,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.77 : 19,863.37 = 8,248.93 : x
  2. Step 2: Convert to fraction form
    13,236.77/19,863.37 = 8,248.93/x
  3. Step 3: Cross multiply
    13,236.77x = 19,863.37 × 8,248.93
  4. Step 4: Simplify right side
    13,236.77x = 163,851,449.38
  5. Step 5: Solve for x
    x = 163,851,449.38/13,236.77
  6. Step 6: Final answer
    x = 12,378.51

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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.