Home / 13,657.54-20,488.47-4,892.26

Finding the Fourth Proportional to 13,657.54, 20,488.47 and 4,892.26

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Solution

The fourth proportional to 13,657.54, 20,488.47 and 4,892.26 is: 7,339.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,657.54 : 20,488.47 = 4,892.26 : x
  2. Step 2: Convert to fraction form
    13,657.54/20,488.47 = 4,892.26/x
  3. Step 3: Cross multiply
    13,657.54x = 20,488.47 × 4,892.26
  4. Step 4: Simplify right side
    13,657.54x = 100,234,922.24
  5. Step 5: Solve for x
    x = 100,234,922.24/13,657.54
  6. Step 6: Final answer
    x = 7,339.16

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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.