Home / 19,392.15-29,086.60-7,702.23

Finding the Fourth Proportional to 19,392.15, 29,086.60 and 7,702.23

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Solution

The fourth proportional to 19,392.15, 29,086.60 and 7,702.23 is: 11,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.15 : 29,086.60 = 7,702.23 : x
  2. Step 2: Convert to fraction form
    19,392.15/29,086.60 = 7,702.23/x
  3. Step 3: Cross multiply
    19,392.15x = 29,086.60 × 7,702.23
  4. Step 4: Simplify right side
    19,392.15x = 224,031,784.72
  5. Step 5: Solve for x
    x = 224,031,784.72/19,392.15
  6. Step 6: Final answer
    x = 11,552.70

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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.