Home / 19,895.96-27,456.04-10,943.40

Finding the Fourth Proportional to 19,895.96, 27,456.04 and 10,943.40

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Solution

The fourth proportional to 19,895.96, 27,456.04 and 10,943.40 is: 15,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.96 : 27,456.04 = 10,943.40 : x
  2. Step 2: Convert to fraction form
    19,895.96/27,456.04 = 10,943.40/x
  3. Step 3: Cross multiply
    19,895.96x = 27,456.04 × 10,943.40
  4. Step 4: Simplify right side
    19,895.96x = 300,462,428.14
  5. Step 5: Solve for x
    x = 300,462,428.14/19,895.96
  6. Step 6: Final answer
    x = 15,101.68

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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.