Home / 26,185.68-36,136.80-15,007.68

Finding the Fourth Proportional to 26,185.68, 36,136.80 and 15,007.68

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Solution

The fourth proportional to 26,185.68, 36,136.80 and 15,007.68 is: 20,710.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,185.68 : 36,136.80 = 15,007.68 : x
  2. Step 2: Convert to fraction form
    26,185.68/36,136.80 = 15,007.68/x
  3. Step 3: Cross multiply
    26,185.68x = 36,136.80 × 15,007.68
  4. Step 4: Simplify right side
    26,185.68x = 542,329,530.62
  5. Step 5: Solve for x
    x = 542,329,530.62/26,185.68
  6. Step 6: Final answer
    x = 20,710.92

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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.