Home / 18,333.80-25,300.68-9,950.28

Finding the Fourth Proportional to 18,333.80, 25,300.68 and 9,950.28

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Solution

The fourth proportional to 18,333.80, 25,300.68 and 9,950.28 is: 13,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.80 : 25,300.68 = 9,950.28 : x
  2. Step 2: Convert to fraction form
    18,333.80/25,300.68 = 9,950.28/x
  3. Step 3: Cross multiply
    18,333.80x = 25,300.68 × 9,950.28
  4. Step 4: Simplify right side
    18,333.80x = 251,748,850.19
  5. Step 5: Solve for x
    x = 251,748,850.19/18,333.80
  6. Step 6: Final answer
    x = 13,731.41

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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.