Home / 19,882.18-27,437.69-10,930.51

Finding the Fourth Proportional to 19,882.18, 27,437.69 and 10,930.51

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Solution

The fourth proportional to 19,882.18, 27,437.69 and 10,930.51 is: 15,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.18 : 27,437.69 = 10,930.51 : x
  2. Step 2: Convert to fraction form
    19,882.18/27,437.69 = 10,930.51/x
  3. Step 3: Cross multiply
    19,882.18x = 27,437.69 × 10,930.51
  4. Step 4: Simplify right side
    19,882.18x = 299,907,753.08
  5. Step 5: Solve for x
    x = 299,907,753.08/19,882.18
  6. Step 6: Final answer
    x = 15,084.25

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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.