Home / 17,720.21-26,585.78-6,628.02

Finding the Fourth Proportional to 17,720.21, 26,585.78 and 6,628.02

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Solution

The fourth proportional to 17,720.21, 26,585.78 and 6,628.02 is: 9,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.21 : 26,585.78 = 6,628.02 : x
  2. Step 2: Convert to fraction form
    17,720.21/26,585.78 = 6,628.02/x
  3. Step 3: Cross multiply
    17,720.21x = 26,585.78 × 6,628.02
  4. Step 4: Simplify right side
    17,720.21x = 176,210,986.00
  5. Step 5: Solve for x
    x = 176,210,986.00/17,720.21
  6. Step 6: Final answer
    x = 9,944.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.