Home / 20,583.16-30,886.18-10,053.30

Finding the Fourth Proportional to 20,583.16, 30,886.18 and 10,053.30

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Solution

The fourth proportional to 20,583.16, 30,886.18 and 10,053.30 is: 15,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,583.16 : 30,886.18 = 10,053.30 : x
  2. Step 2: Convert to fraction form
    20,583.16/30,886.18 = 10,053.30/x
  3. Step 3: Cross multiply
    20,583.16x = 30,886.18 × 10,053.30
  4. Step 4: Simplify right side
    20,583.16x = 310,508,033.39
  5. Step 5: Solve for x
    x = 310,508,033.39/20,583.16
  6. Step 6: Final answer
    x = 15,085.54

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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.