Home / 19,947.07-27,528.60-10,996.32

Finding the Fourth Proportional to 19,947.07, 27,528.60 and 10,996.32

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Solution

The fourth proportional to 19,947.07, 27,528.60 and 10,996.32 is: 15,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.07 : 27,528.60 = 10,996.32 : x
  2. Step 2: Convert to fraction form
    19,947.07/27,528.60 = 10,996.32/x
  3. Step 3: Cross multiply
    19,947.07x = 27,528.60 × 10,996.32
  4. Step 4: Simplify right side
    19,947.07x = 302,713,239.77
  5. Step 5: Solve for x
    x = 302,713,239.77/19,947.07
  6. Step 6: Final answer
    x = 15,175.83

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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.