Home / 13,814.11-19,062.78-7,844.98

Finding the Fourth Proportional to 13,814.11, 19,062.78 and 7,844.98

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Solution

The fourth proportional to 13,814.11, 19,062.78 and 7,844.98 is: 10,825.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.11 : 19,062.78 = 7,844.98 : x
  2. Step 2: Convert to fraction form
    13,814.11/19,062.78 = 7,844.98/x
  3. Step 3: Cross multiply
    13,814.11x = 19,062.78 × 7,844.98
  4. Step 4: Simplify right side
    13,814.11x = 149,547,127.84
  5. Step 5: Solve for x
    x = 149,547,127.84/13,814.11
  6. Step 6: Final answer
    x = 10,825.68

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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.