Home / 17,815.16-26,722.46-6,128.48

Finding the Fourth Proportional to 17,815.16, 26,722.46 and 6,128.48

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Solution

The fourth proportional to 17,815.16, 26,722.46 and 6,128.48 is: 9,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.16 : 26,722.46 = 6,128.48 : x
  2. Step 2: Convert to fraction form
    17,815.16/26,722.46 = 6,128.48/x
  3. Step 3: Cross multiply
    17,815.16x = 26,722.46 × 6,128.48
  4. Step 4: Simplify right side
    17,815.16x = 163,768,061.66
  5. Step 5: Solve for x
    x = 163,768,061.66/17,815.16
  6. Step 6: Final answer
    x = 9,192.62

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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.