Home / 17,348.23-25,980.40-9,930.20

Finding the Fourth Proportional to 17,348.23, 25,980.40 and 9,930.20

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Solution

The fourth proportional to 17,348.23, 25,980.40 and 9,930.20 is: 14,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,348.23 : 25,980.40 = 9,930.20 : x
  2. Step 2: Convert to fraction form
    17,348.23/25,980.40 = 9,930.20/x
  3. Step 3: Cross multiply
    17,348.23x = 25,980.40 × 9,930.20
  4. Step 4: Simplify right side
    17,348.23x = 257,990,568.08
  5. Step 5: Solve for x
    x = 257,990,568.08/17,348.23
  6. Step 6: Final answer
    x = 14,871.29

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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.