Home / 19,032.52-28,549.54-5,181.48

Finding the Fourth Proportional to 19,032.52, 28,549.54 and 5,181.48

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Solution

The fourth proportional to 19,032.52, 28,549.54 and 5,181.48 is: 7,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.52 : 28,549.54 = 5,181.48 : x
  2. Step 2: Convert to fraction form
    19,032.52/28,549.54 = 5,181.48/x
  3. Step 3: Cross multiply
    19,032.52x = 28,549.54 × 5,181.48
  4. Step 4: Simplify right side
    19,032.52x = 147,928,870.52
  5. Step 5: Solve for x
    x = 147,928,870.52/19,032.52
  6. Step 6: Final answer
    x = 7,772.43

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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.