Home / 18,350.70-25,323.75-9,967.20

Finding the Fourth Proportional to 18,350.70, 25,323.75 and 9,967.20

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Solution

The fourth proportional to 18,350.70, 25,323.75 and 9,967.20 is: 13,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.70 : 25,323.75 = 9,967.20 : x
  2. Step 2: Convert to fraction form
    18,350.70/25,323.75 = 9,967.20/x
  3. Step 3: Cross multiply
    18,350.70x = 25,323.75 × 9,967.20
  4. Step 4: Simplify right side
    18,350.70x = 252,406,881.00
  5. Step 5: Solve for x
    x = 252,406,881.00/18,350.70
  6. Step 6: Final answer
    x = 13,754.62

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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.