Home / 19,911.76-27,477.63-10,959.27

Finding the Fourth Proportional to 19,911.76, 27,477.63 and 10,959.27

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Solution

The fourth proportional to 19,911.76, 27,477.63 and 10,959.27 is: 15,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911.76 : 27,477.63 = 10,959.27 : x
  2. Step 2: Convert to fraction form
    19,911.76/27,477.63 = 10,959.27/x
  3. Step 3: Cross multiply
    19,911.76x = 27,477.63 × 10,959.27
  4. Step 4: Simplify right side
    19,911.76x = 301,134,766.13
  5. Step 5: Solve for x
    x = 301,134,766.13/19,911.76
  6. Step 6: Final answer
    x = 15,123.46

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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.