Home / 19,132.30-28,702.40-8,032.47

Finding the Fourth Proportional to 19,132.30, 28,702.40 and 8,032.47

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Solution

The fourth proportional to 19,132.30, 28,702.40 and 8,032.47 is: 12,050.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.30 : 28,702.40 = 8,032.47 : x
  2. Step 2: Convert to fraction form
    19,132.30/28,702.40 = 8,032.47/x
  3. Step 3: Cross multiply
    19,132.30x = 28,702.40 × 8,032.47
  4. Step 4: Simplify right side
    19,132.30x = 230,551,166.93
  5. Step 5: Solve for x
    x = 230,551,166.93/19,132.30
  6. Step 6: Final answer
    x = 12,050.36

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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.