Home / 19,874.44-27,426.63-11,376.51

Finding the Fourth Proportional to 19,874.44, 27,426.63 and 11,376.51

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Solution

The fourth proportional to 19,874.44, 27,426.63 and 11,376.51 is: 15,699.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.44 : 27,426.63 = 11,376.51 : x
  2. Step 2: Convert to fraction form
    19,874.44/27,426.63 = 11,376.51/x
  3. Step 3: Cross multiply
    19,874.44x = 27,426.63 × 11,376.51
  4. Step 4: Simplify right side
    19,874.44x = 312,019,407.41
  5. Step 5: Solve for x
    x = 312,019,407.41/19,874.44
  6. Step 6: Final answer
    x = 15,699.53

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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.