Home / 26,188.20-36,130.38-15,577.56

Finding the Fourth Proportional to 26,188.20, 36,130.38 and 15,577.56

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Solution

The fourth proportional to 26,188.20, 36,130.38 and 15,577.56 is: 21,491.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,188.20 : 36,130.38 = 15,577.56 : x
  2. Step 2: Convert to fraction form
    26,188.20/36,130.38 = 15,577.56/x
  3. Step 3: Cross multiply
    26,188.20x = 36,130.38 × 15,577.56
  4. Step 4: Simplify right side
    26,188.20x = 562,823,162.27
  5. Step 5: Solve for x
    x = 562,823,162.27/26,188.20
  6. Step 6: Final answer
    x = 21,491.48

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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.