Home / 19,301.24-26,631.40-11,751.52

Finding the Fourth Proportional to 19,301.24, 26,631.40 and 11,751.52

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Solution

The fourth proportional to 19,301.24, 26,631.40 and 11,751.52 is: 16,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,301.24 : 26,631.40 = 11,751.52 : x
  2. Step 2: Convert to fraction form
    19,301.24/26,631.40 = 11,751.52/x
  3. Step 3: Cross multiply
    19,301.24x = 26,631.40 × 11,751.52
  4. Step 4: Simplify right side
    19,301.24x = 312,959,429.73
  5. Step 5: Solve for x
    x = 312,959,429.73/19,301.24
  6. Step 6: Final answer
    x = 16,214.47

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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.