Home / 19,036.92-28,567.22-9,177.20

Finding the Fourth Proportional to 19,036.92, 28,567.22 and 9,177.20

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Solution

The fourth proportional to 19,036.92, 28,567.22 and 9,177.20 is: 13,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,036.92 : 28,567.22 = 9,177.20 : x
  2. Step 2: Convert to fraction form
    19,036.92/28,567.22 = 9,177.20/x
  3. Step 3: Cross multiply
    19,036.92x = 28,567.22 × 9,177.20
  4. Step 4: Simplify right side
    19,036.92x = 262,166,902.66
  5. Step 5: Solve for x
    x = 262,166,902.66/19,036.92
  6. Step 6: Final answer
    x = 13,771.50

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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.