Home / 19,927.76-27,509.68-11,542.64

Finding the Fourth Proportional to 19,927.76, 27,509.68 and 11,542.64

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Solution

The fourth proportional to 19,927.76, 27,509.68 and 11,542.64 is: 15,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.76 : 27,509.68 = 11,542.64 : x
  2. Step 2: Convert to fraction form
    19,927.76/27,509.68 = 11,542.64/x
  3. Step 3: Cross multiply
    19,927.76x = 27,509.68 × 11,542.64
  4. Step 4: Simplify right side
    19,927.76x = 317,534,332.76
  5. Step 5: Solve for x
    x = 317,534,332.76/19,927.76
  6. Step 6: Final answer
    x = 15,934.27

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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.