Home / 26,105.91-36,026.21-15,497.67

Finding the Fourth Proportional to 26,105.91, 36,026.21 and 15,497.67

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Solution

The fourth proportional to 26,105.91, 36,026.21 and 15,497.67 is: 21,386.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.91 : 36,026.21 = 15,497.67 : x
  2. Step 2: Convert to fraction form
    26,105.91/36,026.21 = 15,497.67/x
  3. Step 3: Cross multiply
    26,105.91x = 36,026.21 × 15,497.67
  4. Step 4: Simplify right side
    26,105.91x = 558,322,313.93
  5. Step 5: Solve for x
    x = 558,322,313.93/26,105.91
  6. Step 6: Final answer
    x = 21,386.82

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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.