Home / 26,215.16-36,174.14-15,313.56

Finding the Fourth Proportional to 26,215.16, 36,174.14 and 15,313.56

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Solution

The fourth proportional to 26,215.16, 36,174.14 and 15,313.56 is: 21,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,215.16 : 36,174.14 = 15,313.56 : x
  2. Step 2: Convert to fraction form
    26,215.16/36,174.14 = 15,313.56/x
  3. Step 3: Cross multiply
    26,215.16x = 36,174.14 × 15,313.56
  4. Step 4: Simplify right side
    26,215.16x = 553,954,863.34
  5. Step 5: Solve for x
    x = 553,954,863.34/26,215.16
  6. Step 6: Final answer
    x = 21,131.09

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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.