Home / 15,015.16-22,412.78-13,241.74

Finding the Fourth Proportional to 15,015.16, 22,412.78 and 13,241.74

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Solution

The fourth proportional to 15,015.16, 22,412.78 and 13,241.74 is: 19,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,015.16 : 22,412.78 = 13,241.74 : x
  2. Step 2: Convert to fraction form
    15,015.16/22,412.78 = 13,241.74/x
  3. Step 3: Cross multiply
    15,015.16x = 22,412.78 × 13,241.74
  4. Step 4: Simplify right side
    15,015.16x = 296,784,205.44
  5. Step 5: Solve for x
    x = 296,784,205.44/15,015.16
  6. Step 6: Final answer
    x = 19,765.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.