Home / 19,132.93-26,415.89-11,685.25

Finding the Fourth Proportional to 19,132.93, 26,415.89 and 11,685.25

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Solution

The fourth proportional to 19,132.93, 26,415.89 and 11,685.25 is: 16,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.93 : 26,415.89 = 11,685.25 : x
  2. Step 2: Convert to fraction form
    19,132.93/26,415.89 = 11,685.25/x
  3. Step 3: Cross multiply
    19,132.93x = 26,415.89 × 11,685.25
  4. Step 4: Simplify right side
    19,132.93x = 308,676,278.62
  5. Step 5: Solve for x
    x = 308,676,278.62/19,132.93
  6. Step 6: Final answer
    x = 16,133.25

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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.