Home / 15,052.56-20,775.87-8,768.58

Finding the Fourth Proportional to 15,052.56, 20,775.87 and 8,768.58

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Solution

The fourth proportional to 15,052.56, 20,775.87 and 8,768.58 is: 12,102.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.56 : 20,775.87 = 8,768.58 : x
  2. Step 2: Convert to fraction form
    15,052.56/20,775.87 = 8,768.58/x
  3. Step 3: Cross multiply
    15,052.56x = 20,775.87 × 8,768.58
  4. Step 4: Simplify right side
    15,052.56x = 182,174,878.16
  5. Step 5: Solve for x
    x = 182,174,878.16/15,052.56
  6. Step 6: Final answer
    x = 12,102.58

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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.