Home / 17,182.18-23,711.16-9,629.20

Finding the Fourth Proportional to 17,182.18, 23,711.16 and 9,629.20

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Solution

The fourth proportional to 17,182.18, 23,711.16 and 9,629.20 is: 13,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,182.18 : 23,711.16 = 9,629.20 : x
  2. Step 2: Convert to fraction form
    17,182.18/23,711.16 = 9,629.20/x
  3. Step 3: Cross multiply
    17,182.18x = 23,711.16 × 9,629.20
  4. Step 4: Simplify right side
    17,182.18x = 228,319,501.87
  5. Step 5: Solve for x
    x = 228,319,501.87/17,182.18
  6. Step 6: Final answer
    x = 13,288.16

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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.