Home / 17,191.19-23,725.81-9,639.56

Finding the Fourth Proportional to 17,191.19, 23,725.81 and 9,639.56

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Solution

The fourth proportional to 17,191.19, 23,725.81 and 9,639.56 is: 13,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.19 : 23,725.81 = 9,639.56 : x
  2. Step 2: Convert to fraction form
    17,191.19/23,725.81 = 9,639.56/x
  3. Step 3: Cross multiply
    17,191.19x = 23,725.81 × 9,639.56
  4. Step 4: Simplify right side
    17,191.19x = 228,706,452.46
  5. Step 5: Solve for x
    x = 228,706,452.46/17,191.19
  6. Step 6: Final answer
    x = 13,303.70

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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.