Home / 21,747.24-30,025.65-16,702.45

Finding the Fourth Proportional to 21,747.24, 30,025.65 and 16,702.45

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Solution

The fourth proportional to 21,747.24, 30,025.65 and 16,702.45 is: 23,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.24 : 30,025.65 = 16,702.45 : x
  2. Step 2: Convert to fraction form
    21,747.24/30,025.65 = 16,702.45/x
  3. Step 3: Cross multiply
    21,747.24x = 30,025.65 × 16,702.45
  4. Step 4: Simplify right side
    21,747.24x = 501,501,801.02
  5. Step 5: Solve for x
    x = 501,501,801.02/21,747.24
  6. Step 6: Final answer
    x = 23,060.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.