Home / 17,630.13-26,445.19-5,318.13

Finding the Fourth Proportional to 17,630.13, 26,445.19 and 5,318.13

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Solution

The fourth proportional to 17,630.13, 26,445.19 and 5,318.13 is: 7,977.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,630.13 : 26,445.19 = 5,318.13 : x
  2. Step 2: Convert to fraction form
    17,630.13/26,445.19 = 5,318.13/x
  3. Step 3: Cross multiply
    17,630.13x = 26,445.19 × 5,318.13
  4. Step 4: Simplify right side
    17,630.13x = 140,638,958.29
  5. Step 5: Solve for x
    x = 140,638,958.29/17,630.13
  6. Step 6: Final answer
    x = 7,977.19

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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.