Home / 17,621.80-26,432.70-9,298.60

Finding the Fourth Proportional to 17,621.80, 26,432.70 and 9,298.60

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Solution

The fourth proportional to 17,621.80, 26,432.70 and 9,298.60 is: 13,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.80 : 26,432.70 = 9,298.60 : x
  2. Step 2: Convert to fraction form
    17,621.80/26,432.70 = 9,298.60/x
  3. Step 3: Cross multiply
    17,621.80x = 26,432.70 × 9,298.60
  4. Step 4: Simplify right side
    17,621.80x = 245,787,104.22
  5. Step 5: Solve for x
    x = 245,787,104.22/17,621.80
  6. Step 6: Final answer
    x = 13,947.90

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1.5x scale

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.