Home / 16,378.16-22,610.44-11,028.74

Finding the Fourth Proportional to 16,378.16, 22,610.44 and 11,028.74

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Solution

The fourth proportional to 16,378.16, 22,610.44 and 11,028.74 is: 15,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.16 : 22,610.44 = 11,028.74 : x
  2. Step 2: Convert to fraction form
    16,378.16/22,610.44 = 11,028.74/x
  3. Step 3: Cross multiply
    16,378.16x = 22,610.44 × 11,028.74
  4. Step 4: Simplify right side
    16,378.16x = 249,364,664.05
  5. Step 5: Solve for x
    x = 249,364,664.05/16,378.16
  6. Step 6: Final answer
    x = 15,225.44

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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.