Home / 17,980.60-24,756.74-15,286.52

Finding the Fourth Proportional to 17,980.60, 24,756.74 and 15,286.52

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Solution

The fourth proportional to 17,980.60, 24,756.74 and 15,286.52 is: 21,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.60 : 24,756.74 = 15,286.52 : x
  2. Step 2: Convert to fraction form
    17,980.60/24,756.74 = 15,286.52/x
  3. Step 3: Cross multiply
    17,980.60x = 24,756.74 × 15,286.52
  4. Step 4: Simplify right side
    17,980.60x = 378,444,401.14
  5. Step 5: Solve for x
    x = 378,444,401.14/17,980.60
  6. Step 6: Final answer
    x = 21,047.37

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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.