Home / 19,112.11-26,373.81-10,614.78

Finding the Fourth Proportional to 19,112.11, 26,373.81 and 10,614.78

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Solution

The fourth proportional to 19,112.11, 26,373.81 and 10,614.78 is: 14,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.11 : 26,373.81 = 10,614.78 : x
  2. Step 2: Convert to fraction form
    19,112.11/26,373.81 = 10,614.78/x
  3. Step 3: Cross multiply
    19,112.11x = 26,373.81 × 10,614.78
  4. Step 4: Simplify right side
    19,112.11x = 279,952,059.04
  5. Step 5: Solve for x
    x = 279,952,059.04/19,112.11
  6. Step 6: Final answer
    x = 14,647.89

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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.