Home / 15,062.45-20,777.53-9,394.48

Finding the Fourth Proportional to 15,062.45, 20,777.53 and 9,394.48

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Solution

The fourth proportional to 15,062.45, 20,777.53 and 9,394.48 is: 12,958.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.45 : 20,777.53 = 9,394.48 : x
  2. Step 2: Convert to fraction form
    15,062.45/20,777.53 = 9,394.48/x
  3. Step 3: Cross multiply
    15,062.45x = 20,777.53 × 9,394.48
  4. Step 4: Simplify right side
    15,062.45x = 195,194,014.60
  5. Step 5: Solve for x
    x = 195,194,014.60/15,062.45
  6. Step 6: Final answer
    x = 12,958.98

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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.