Home / 19,428.42-26,811.17-10,930.54

Finding the Fourth Proportional to 19,428.42, 26,811.17 and 10,930.54

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Solution

The fourth proportional to 19,428.42, 26,811.17 and 10,930.54 is: 15,084.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.42 : 26,811.17 = 10,930.54 : x
  2. Step 2: Convert to fraction form
    19,428.42/26,811.17 = 10,930.54/x
  3. Step 3: Cross multiply
    19,428.42x = 26,811.17 × 10,930.54
  4. Step 4: Simplify right side
    19,428.42x = 293,060,566.13
  5. Step 5: Solve for x
    x = 293,060,566.13/19,428.42
  6. Step 6: Final answer
    x = 15,084.12

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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.