Home / 15,468.46-21,351.60-11,005.16

Finding the Fourth Proportional to 15,468.46, 21,351.60 and 11,005.16

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Solution

The fourth proportional to 15,468.46, 21,351.60 and 11,005.16 is: 15,190.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.46 : 21,351.60 = 11,005.16 : x
  2. Step 2: Convert to fraction form
    15,468.46/21,351.60 = 11,005.16/x
  3. Step 3: Cross multiply
    15,468.46x = 21,351.60 × 11,005.16
  4. Step 4: Simplify right side
    15,468.46x = 234,977,667.50
  5. Step 5: Solve for x
    x = 234,977,667.50/15,468.46
  6. Step 6: Final answer
    x = 15,190.76

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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.