Home / 19,478.60-26,882.83-10,982.36

Finding the Fourth Proportional to 19,478.60, 26,882.83 and 10,982.36

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Solution

The fourth proportional to 19,478.60, 26,882.83 and 10,982.36 is: 15,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.60 : 26,882.83 = 10,982.36 : x
  2. Step 2: Convert to fraction form
    19,478.60/26,882.83 = 10,982.36/x
  3. Step 3: Cross multiply
    19,478.60x = 26,882.83 × 10,982.36
  4. Step 4: Simplify right side
    19,478.60x = 295,236,796.19
  5. Step 5: Solve for x
    x = 295,236,796.19/19,478.60
  6. Step 6: Final answer
    x = 15,156.98

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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.