Home / 19,864.74-27,415.25-11,365.17

Finding the Fourth Proportional to 19,864.74, 27,415.25 and 11,365.17

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Solution

The fourth proportional to 19,864.74, 27,415.25 and 11,365.17 is: 15,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.74 : 27,415.25 = 11,365.17 : x
  2. Step 2: Convert to fraction form
    19,864.74/27,415.25 = 11,365.17/x
  3. Step 3: Cross multiply
    19,864.74x = 27,415.25 × 11,365.17
  4. Step 4: Simplify right side
    19,864.74x = 311,578,920.02
  5. Step 5: Solve for x
    x = 311,578,920.02/19,864.74
  6. Step 6: Final answer
    x = 15,685.02

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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.