Home / 19,529.48-29,291.78-7,838.76

Finding the Fourth Proportional to 19,529.48, 29,291.78 and 7,838.76

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Solution

The fourth proportional to 19,529.48, 29,291.78 and 7,838.76 is: 11,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.48 : 29,291.78 = 7,838.76 : x
  2. Step 2: Convert to fraction form
    19,529.48/29,291.78 = 7,838.76/x
  3. Step 3: Cross multiply
    19,529.48x = 29,291.78 × 7,838.76
  4. Step 4: Simplify right side
    19,529.48x = 229,611,233.39
  5. Step 5: Solve for x
    x = 229,611,233.39/19,529.48
  6. Step 6: Final answer
    x = 11,757.16

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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.