Home / 19,990.16-27,586.77-11,037.13

Finding the Fourth Proportional to 19,990.16, 27,586.77 and 11,037.13

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Solution

The fourth proportional to 19,990.16, 27,586.77 and 11,037.13 is: 15,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,990.16 : 27,586.77 = 11,037.13 : x
  2. Step 2: Convert to fraction form
    19,990.16/27,586.77 = 11,037.13/x
  3. Step 3: Cross multiply
    19,990.16x = 27,586.77 × 11,037.13
  4. Step 4: Simplify right side
    19,990.16x = 304,478,697.80
  5. Step 5: Solve for x
    x = 304,478,697.80/19,990.16
  6. Step 6: Final answer
    x = 15,231.43

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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.