Home / 19,291.52-26,619.89-11,333.57

Finding the Fourth Proportional to 19,291.52, 26,619.89 and 11,333.57

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Solution

The fourth proportional to 19,291.52, 26,619.89 and 11,333.57 is: 15,638.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.52 : 26,619.89 = 11,333.57 : x
  2. Step 2: Convert to fraction form
    19,291.52/26,619.89 = 11,333.57/x
  3. Step 3: Cross multiply
    19,291.52x = 26,619.89 × 11,333.57
  4. Step 4: Simplify right side
    19,291.52x = 301,698,196.94
  5. Step 5: Solve for x
    x = 301,698,196.94/19,291.52
  6. Step 6: Final answer
    x = 15,638.91

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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.