Home / 26,949.32-37,186.08-15,012.80

Finding the Fourth Proportional to 26,949.32, 37,186.08 and 15,012.80

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Solution

The fourth proportional to 26,949.32, 37,186.08 and 15,012.80 is: 20,715.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949.32 : 37,186.08 = 15,012.80 : x
  2. Step 2: Convert to fraction form
    26,949.32/37,186.08 = 15,012.80/x
  3. Step 3: Cross multiply
    26,949.32x = 37,186.08 × 15,012.80
  4. Step 4: Simplify right side
    26,949.32x = 558,267,181.82
  5. Step 5: Solve for x
    x = 558,267,181.82/26,949.32
  6. Step 6: Final answer
    x = 20,715.45

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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.