Home / 18,891.57-26,074.60-14,795.25

Finding the Fourth Proportional to 18,891.57, 26,074.60 and 14,795.25

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Solution

The fourth proportional to 18,891.57, 26,074.60 and 14,795.25 is: 20,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.57 : 26,074.60 = 14,795.25 : x
  2. Step 2: Convert to fraction form
    18,891.57/26,074.60 = 14,795.25/x
  3. Step 3: Cross multiply
    18,891.57x = 26,074.60 × 14,795.25
  4. Step 4: Simplify right side
    18,891.57x = 385,780,095.28
  5. Step 5: Solve for x
    x = 385,780,095.28/18,891.57
  6. Step 6: Final answer
    x = 20,420.75

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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.