Home / 19,938.10-29,951.70-16,657.60

Finding the Fourth Proportional to 19,938.10, 29,951.70 and 16,657.60

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Solution

The fourth proportional to 19,938.10, 29,951.70 and 16,657.60 is: 25,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.10 : 29,951.70 = 16,657.60 : x
  2. Step 2: Convert to fraction form
    19,938.10/29,951.70 = 16,657.60/x
  3. Step 3: Cross multiply
    19,938.10x = 29,951.70 × 16,657.60
  4. Step 4: Simplify right side
    19,938.10x = 498,923,437.92
  5. Step 5: Solve for x
    x = 498,923,437.92/19,938.10
  6. Step 6: Final answer
    x = 25,023.62

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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.