Home / 19,995.27-27,598.81-11,498.32

Finding the Fourth Proportional to 19,995.27, 27,598.81 and 11,498.32

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Solution

The fourth proportional to 19,995.27, 27,598.81 and 11,498.32 is: 15,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.27 : 27,598.81 = 11,498.32 : x
  2. Step 2: Convert to fraction form
    19,995.27/27,598.81 = 11,498.32/x
  3. Step 3: Cross multiply
    19,995.27x = 27,598.81 × 11,498.32
  4. Step 4: Simplify right side
    19,995.27x = 317,339,949.00
  5. Step 5: Solve for x
    x = 317,339,949.00/19,995.27
  6. Step 6: Final answer
    x = 15,870.75

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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.