Home / 20,458.01-30,621.02-10,583.69

Finding the Fourth Proportional to 20,458.01, 30,621.02 and 10,583.69

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Solution

The fourth proportional to 20,458.01, 30,621.02 and 10,583.69 is: 15,841.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,458.01 : 30,621.02 = 10,583.69 : x
  2. Step 2: Convert to fraction form
    20,458.01/30,621.02 = 10,583.69/x
  3. Step 3: Cross multiply
    20,458.01x = 30,621.02 × 10,583.69
  4. Step 4: Simplify right side
    20,458.01x = 324,083,330.25
  5. Step 5: Solve for x
    x = 324,083,330.25/20,458.01
  6. Step 6: Final answer
    x = 15,841.39

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1.5x scale

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.