Home / 12,862.51-19,293.64-9,761.56

Finding the Fourth Proportional to 12,862.51, 19,293.64 and 9,761.56

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Solution

The fourth proportional to 12,862.51, 19,293.64 and 9,761.56 is: 14,642.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.51 : 19,293.64 = 9,761.56 : x
  2. Step 2: Convert to fraction form
    12,862.51/19,293.64 = 9,761.56/x
  3. Step 3: Cross multiply
    12,862.51x = 19,293.64 × 9,761.56
  4. Step 4: Simplify right side
    12,862.51x = 188,335,951.84
  5. Step 5: Solve for x
    x = 188,335,951.84/12,862.51
  6. Step 6: Final answer
    x = 14,642.24

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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.