Home / 19,281.07-28,921.38-7,594.39

Finding the Fourth Proportional to 19,281.07, 28,921.38 and 7,594.39

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Solution

The fourth proportional to 19,281.07, 28,921.38 and 7,594.39 is: 11,391.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.07 : 28,921.38 = 7,594.39 : x
  2. Step 2: Convert to fraction form
    19,281.07/28,921.38 = 7,594.39/x
  3. Step 3: Cross multiply
    19,281.07x = 28,921.38 × 7,594.39
  4. Step 4: Simplify right side
    19,281.07x = 219,640,239.06
  5. Step 5: Solve for x
    x = 219,640,239.06/19,281.07
  6. Step 6: Final answer
    x = 11,391.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.