Home / 17,720.37-24,453.09-10,645.43

Finding the Fourth Proportional to 17,720.37, 24,453.09 and 10,645.43

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Solution

The fourth proportional to 17,720.37, 24,453.09 and 10,645.43 is: 14,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.37 : 24,453.09 = 10,645.43 : x
  2. Step 2: Convert to fraction form
    17,720.37/24,453.09 = 10,645.43/x
  3. Step 3: Cross multiply
    17,720.37x = 24,453.09 × 10,645.43
  4. Step 4: Simplify right side
    17,720.37x = 260,313,535.61
  5. Step 5: Solve for x
    x = 260,313,535.61/17,720.37
  6. Step 6: Final answer
    x = 14,690.07

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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.