Home / 15,062.83-20,770.23-11,235.58

Finding the Fourth Proportional to 15,062.83, 20,770.23 and 11,235.58

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Solution

The fourth proportional to 15,062.83, 20,770.23 and 11,235.58 is: 15,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.83 : 20,770.23 = 11,235.58 : x
  2. Step 2: Convert to fraction form
    15,062.83/20,770.23 = 11,235.58/x
  3. Step 3: Cross multiply
    15,062.83x = 20,770.23 × 11,235.58
  4. Step 4: Simplify right side
    15,062.83x = 233,365,580.78
  5. Step 5: Solve for x
    x = 233,365,580.78/15,062.83
  6. Step 6: Final answer
    x = 15,492.81

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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.