Home / 19,290.63-26,620.83-11,333.58

Finding the Fourth Proportional to 19,290.63, 26,620.83 and 11,333.58

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Solution

The fourth proportional to 19,290.63, 26,620.83 and 11,333.58 is: 15,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,290.63 : 26,620.83 = 11,333.58 : x
  2. Step 2: Convert to fraction form
    19,290.63/26,620.83 = 11,333.58/x
  3. Step 3: Cross multiply
    19,290.63x = 26,620.83 × 11,333.58
  4. Step 4: Simplify right side
    19,290.63x = 301,709,306.47
  5. Step 5: Solve for x
    x = 301,709,306.47/19,290.63
  6. Step 6: Final answer
    x = 15,640.20

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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.