Home / 19,923.52-27,495.18-10,971.64

Finding the Fourth Proportional to 19,923.52, 27,495.18 and 10,971.64

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Solution

The fourth proportional to 19,923.52, 27,495.18 and 10,971.64 is: 15,141.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.52 : 27,495.18 = 10,971.64 : x
  2. Step 2: Convert to fraction form
    19,923.52/27,495.18 = 10,971.64/x
  3. Step 3: Cross multiply
    19,923.52x = 27,495.18 × 10,971.64
  4. Step 4: Simplify right side
    19,923.52x = 301,667,216.70
  5. Step 5: Solve for x
    x = 301,667,216.70/19,923.52
  6. Step 6: Final answer
    x = 15,141.26

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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.