Home / 15,078.51-22,618.71-5,216.49

Finding the Fourth Proportional to 15,078.51, 22,618.71 and 5,216.49

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Solution

The fourth proportional to 15,078.51, 22,618.71 and 5,216.49 is: 7,825.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,078.51 : 22,618.71 = 5,216.49 : x
  2. Step 2: Convert to fraction form
    15,078.51/22,618.71 = 5,216.49/x
  3. Step 3: Cross multiply
    15,078.51x = 22,618.71 × 5,216.49
  4. Step 4: Simplify right side
    15,078.51x = 117,990,274.53
  5. Step 5: Solve for x
    x = 117,990,274.53/15,078.51
  6. Step 6: Final answer
    x = 7,825.06

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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.