Home / 19,284.48-26,609.76-11,329.28

Finding the Fourth Proportional to 19,284.48, 26,609.76 and 11,329.28

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Solution

The fourth proportional to 19,284.48, 26,609.76 and 11,329.28 is: 15,632.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.48 : 26,609.76 = 11,329.28 : x
  2. Step 2: Convert to fraction form
    19,284.48/26,609.76 = 11,329.28/x
  3. Step 3: Cross multiply
    19,284.48x = 26,609.76 × 11,329.28
  4. Step 4: Simplify right side
    19,284.48x = 301,469,421.77
  5. Step 5: Solve for x
    x = 301,469,421.77/19,284.48
  6. Step 6: Final answer
    x = 15,632.75

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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.