Home / 15,141.72-22,719.54-6,817.24

Finding the Fourth Proportional to 15,141.72, 22,719.54 and 6,817.24

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Solution

The fourth proportional to 15,141.72, 22,719.54 and 6,817.24 is: 10,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141.72 : 22,719.54 = 6,817.24 : x
  2. Step 2: Convert to fraction form
    15,141.72/22,719.54 = 6,817.24/x
  3. Step 3: Cross multiply
    15,141.72x = 22,719.54 × 6,817.24
  4. Step 4: Simplify right side
    15,141.72x = 154,884,556.87
  5. Step 5: Solve for x
    x = 154,884,556.87/15,141.72
  6. Step 6: Final answer
    x = 10,228.99

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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.