Home / 19,132.07-28,699.75-5,281.07

Finding the Fourth Proportional to 19,132.07, 28,699.75 and 5,281.07

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Solution

The fourth proportional to 19,132.07, 28,699.75 and 5,281.07 is: 7,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.07 : 28,699.75 = 5,281.07 : x
  2. Step 2: Convert to fraction form
    19,132.07/28,699.75 = 5,281.07/x
  3. Step 3: Cross multiply
    19,132.07x = 28,699.75 × 5,281.07
  4. Step 4: Simplify right side
    19,132.07x = 151,565,388.73
  5. Step 5: Solve for x
    x = 151,565,388.73/19,132.07
  6. Step 6: Final answer
    x = 7,922.06

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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.