Home / 19,280.01-28,922.15-6,129.31

Finding the Fourth Proportional to 19,280.01, 28,922.15 and 6,129.31

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Solution

The fourth proportional to 19,280.01, 28,922.15 and 6,129.31 is: 9,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.01 : 28,922.15 = 6,129.31 : x
  2. Step 2: Convert to fraction form
    19,280.01/28,922.15 = 6,129.31/x
  3. Step 3: Cross multiply
    19,280.01x = 28,922.15 × 6,129.31
  4. Step 4: Simplify right side
    19,280.01x = 177,272,823.22
  5. Step 5: Solve for x
    x = 177,272,823.22/19,280.01
  6. Step 6: Final answer
    x = 9,194.64

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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.