Home / 26,145.84-36,082.13-15,388.77

Finding the Fourth Proportional to 26,145.84, 36,082.13 and 15,388.77

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Solution

The fourth proportional to 26,145.84, 36,082.13 and 15,388.77 is: 21,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.84 : 36,082.13 = 15,388.77 : x
  2. Step 2: Convert to fraction form
    26,145.84/36,082.13 = 15,388.77/x
  3. Step 3: Cross multiply
    26,145.84x = 36,082.13 × 15,388.77
  4. Step 4: Simplify right side
    26,145.84x = 555,259,599.68
  5. Step 5: Solve for x
    x = 555,259,599.68/26,145.84
  6. Step 6: Final answer
    x = 21,237.02

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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.