Home / 19,290.83-26,621.54-11,333.39

Finding the Fourth Proportional to 19,290.83, 26,621.54 and 11,333.39

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Solution

The fourth proportional to 19,290.83, 26,621.54 and 11,333.39 is: 15,640.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.83 : 26,621.54 = 11,333.39 : x
  2. Step 2: Convert to fraction form
    19,290.83/26,621.54 = 11,333.39/x
  3. Step 3: Cross multiply
    19,290.83x = 26,621.54 × 11,333.39
  4. Step 4: Simplify right side
    19,290.83x = 301,712,105.45
  5. Step 5: Solve for x
    x = 301,712,105.45/19,290.83
  6. Step 6: Final answer
    x = 15,640.19

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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.