Home / 15,557.01-23,330.66-6,783.09

Finding the Fourth Proportional to 15,557.01, 23,330.66 and 6,783.09

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Solution

The fourth proportional to 15,557.01, 23,330.66 and 6,783.09 is: 10,172.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.01 : 23,330.66 = 6,783.09 : x
  2. Step 2: Convert to fraction form
    15,557.01/23,330.66 = 6,783.09/x
  3. Step 3: Cross multiply
    15,557.01x = 23,330.66 × 6,783.09
  4. Step 4: Simplify right side
    15,557.01x = 158,253,932.62
  5. Step 5: Solve for x
    x = 158,253,932.62/15,557.01
  6. Step 6: Final answer
    x = 10,172.52

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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.