Home / 18,856.34-26,019.87-11,300.66

Finding the Fourth Proportional to 18,856.34, 26,019.87 and 11,300.66

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Solution

The fourth proportional to 18,856.34, 26,019.87 and 11,300.66 is: 15,593.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,856.34 : 26,019.87 = 11,300.66 : x
  2. Step 2: Convert to fraction form
    18,856.34/26,019.87 = 11,300.66/x
  3. Step 3: Cross multiply
    18,856.34x = 26,019.87 × 11,300.66
  4. Step 4: Simplify right side
    18,856.34x = 294,041,704.11
  5. Step 5: Solve for x
    x = 294,041,704.11/18,856.34
  6. Step 6: Final answer
    x = 15,593.78

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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.