Home / 15,427.72-23,138.62-7,522.30

Finding the Fourth Proportional to 15,427.72, 23,138.62 and 7,522.30

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Solution

The fourth proportional to 15,427.72, 23,138.62 and 7,522.30 is: 11,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,427.72 : 23,138.62 = 7,522.30 : x
  2. Step 2: Convert to fraction form
    15,427.72/23,138.62 = 7,522.30/x
  3. Step 3: Cross multiply
    15,427.72x = 23,138.62 × 7,522.30
  4. Step 4: Simplify right side
    15,427.72x = 174,055,641.23
  5. Step 5: Solve for x
    x = 174,055,641.23/15,427.72
  6. Step 6: Final answer
    x = 11,282.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.