Home / 19,281.16-28,921.72-6,133.52

Finding the Fourth Proportional to 19,281.16, 28,921.72 and 6,133.52

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Solution

The fourth proportional to 19,281.16, 28,921.72 and 6,133.52 is: 9,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.16 : 28,921.72 = 6,133.52 : x
  2. Step 2: Convert to fraction form
    19,281.16/28,921.72 = 6,133.52/x
  3. Step 3: Cross multiply
    19,281.16x = 28,921.72 × 6,133.52
  4. Step 4: Simplify right side
    19,281.16x = 177,391,948.05
  5. Step 5: Solve for x
    x = 177,391,948.05/19,281.16
  6. Step 6: Final answer
    x = 9,200.27

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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.