Home / 15,673.60-21,610.56-11,474.56

Finding the Fourth Proportional to 15,673.60, 21,610.56 and 11,474.56

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Solution

The fourth proportional to 15,673.60, 21,610.56 and 11,474.56 is: 15,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,673.60 : 21,610.56 = 11,474.56 : x
  2. Step 2: Convert to fraction form
    15,673.60/21,610.56 = 11,474.56/x
  3. Step 3: Cross multiply
    15,673.60x = 21,610.56 × 11,474.56
  4. Step 4: Simplify right side
    15,673.60x = 247,971,667.35
  5. Step 5: Solve for x
    x = 247,971,667.35/15,673.60
  6. Step 6: Final answer
    x = 15,820.98

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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.