Home / 19,402.24-29,105.24-7,712.84

Finding the Fourth Proportional to 19,402.24, 29,105.24 and 7,712.84

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Solution

The fourth proportional to 19,402.24, 29,105.24 and 7,712.84 is: 11,570.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.24 : 29,105.24 = 7,712.84 : x
  2. Step 2: Convert to fraction form
    19,402.24/29,105.24 = 7,712.84/x
  3. Step 3: Cross multiply
    19,402.24x = 29,105.24 × 7,712.84
  4. Step 4: Simplify right side
    19,402.24x = 224,484,059.28
  5. Step 5: Solve for x
    x = 224,484,059.28/19,402.24
  6. Step 6: Final answer
    x = 11,570.01

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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.