Home / 19,856.91-27,401.18-10,904.99

Finding the Fourth Proportional to 19,856.91, 27,401.18 and 10,904.99

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Solution

The fourth proportional to 19,856.91, 27,401.18 and 10,904.99 is: 15,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.91 : 27,401.18 = 10,904.99 : x
  2. Step 2: Convert to fraction form
    19,856.91/27,401.18 = 10,904.99/x
  3. Step 3: Cross multiply
    19,856.91x = 27,401.18 × 10,904.99
  4. Step 4: Simplify right side
    19,856.91x = 298,809,607.87
  5. Step 5: Solve for x
    x = 298,809,607.87/19,856.91
  6. Step 6: Final answer
    x = 15,048.14

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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.