Home / 19,436.14-26,821.29-10,938.73

Finding the Fourth Proportional to 19,436.14, 26,821.29 and 10,938.73

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Solution

The fourth proportional to 19,436.14, 26,821.29 and 10,938.73 is: 15,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.14 : 26,821.29 = 10,938.73 : x
  2. Step 2: Convert to fraction form
    19,436.14/26,821.29 = 10,938.73/x
  3. Step 3: Cross multiply
    19,436.14x = 26,821.29 × 10,938.73
  4. Step 4: Simplify right side
    19,436.14x = 293,390,849.56
  5. Step 5: Solve for x
    x = 293,390,849.56/19,436.14
  6. Step 6: Final answer
    x = 15,095.12

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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.