Home / 17,386.66-26,081.52-4,906.78

Finding the Fourth Proportional to 17,386.66, 26,081.52 and 4,906.78

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Solution

The fourth proportional to 17,386.66, 26,081.52 and 4,906.78 is: 7,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,386.66 : 26,081.52 = 4,906.78 : x
  2. Step 2: Convert to fraction form
    17,386.66/26,081.52 = 4,906.78/x
  3. Step 3: Cross multiply
    17,386.66x = 26,081.52 × 4,906.78
  4. Step 4: Simplify right side
    17,386.66x = 127,976,280.71
  5. Step 5: Solve for x
    x = 127,976,280.71/17,386.66
  6. Step 6: Final answer
    x = 7,360.60

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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.