Home / 19,856.34-27,402.17-10,904.49

Finding the Fourth Proportional to 19,856.34, 27,402.17 and 10,904.49

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Solution

The fourth proportional to 19,856.34, 27,402.17 and 10,904.49 is: 15,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.34 : 27,402.17 = 10,904.49 : x
  2. Step 2: Convert to fraction form
    19,856.34/27,402.17 = 10,904.49/x
  3. Step 3: Cross multiply
    19,856.34x = 27,402.17 × 10,904.49
  4. Step 4: Simplify right side
    19,856.34x = 298,806,634.22
  5. Step 5: Solve for x
    x = 298,806,634.22/19,856.34
  6. Step 6: Final answer
    x = 15,048.42

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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.