Home / 17,869.36-26,808.56-10,480

Finding the Fourth Proportional to 17,869.36, 26,808.56 and 10,480

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Solution

The fourth proportional to 17,869.36, 26,808.56 and 10,480 is: 15,722.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,869.36 : 26,808.56 = 10,480 : x
  2. Step 2: Convert to fraction form
    17,869.36/26,808.56 = 10,480/x
  3. Step 3: Cross multiply
    17,869.36x = 26,808.56 × 10,480
  4. Step 4: Simplify right side
    17,869.36x = 280,953,708.80
  5. Step 5: Solve for x
    x = 280,953,708.80/17,869.36
  6. Step 6: Final answer
    x = 15,722.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.