Home / 19,911.06-27,478.06-10,959.24

Finding the Fourth Proportional to 19,911.06, 27,478.06 and 10,959.24

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Solution

The fourth proportional to 19,911.06, 27,478.06 and 10,959.24 is: 15,124.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.06 : 27,478.06 = 10,959.24 : x
  2. Step 2: Convert to fraction form
    19,911.06/27,478.06 = 10,959.24/x
  3. Step 3: Cross multiply
    19,911.06x = 27,478.06 × 10,959.24
  4. Step 4: Simplify right side
    19,911.06x = 301,138,654.27
  5. Step 5: Solve for x
    x = 301,138,654.27/19,911.06
  6. Step 6: Final answer
    x = 15,124.19

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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.