Home / 26,623.35-36,738.81-15,136.74

Finding the Fourth Proportional to 26,623.35, 36,738.81 and 15,136.74

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Solution

The fourth proportional to 26,623.35, 36,738.81 and 15,136.74 is: 20,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,623.35 : 36,738.81 = 15,136.74 : x
  2. Step 2: Convert to fraction form
    26,623.35/36,738.81 = 15,136.74/x
  3. Step 3: Cross multiply
    26,623.35x = 36,738.81 × 15,136.74
  4. Step 4: Simplify right side
    26,623.35x = 556,105,814.88
  5. Step 5: Solve for x
    x = 556,105,814.88/26,623.35
  6. Step 6: Final answer
    x = 20,887.90

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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.