Home / 16,069.16-22,181.64-15,625.28

Finding the Fourth Proportional to 16,069.16, 22,181.64 and 15,625.28

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Solution

The fourth proportional to 16,069.16, 22,181.64 and 15,625.28 is: 21,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,069.16 : 22,181.64 = 15,625.28 : x
  2. Step 2: Convert to fraction form
    16,069.16/22,181.64 = 15,625.28/x
  3. Step 3: Cross multiply
    16,069.16x = 22,181.64 × 15,625.28
  4. Step 4: Simplify right side
    16,069.16x = 346,594,335.86
  5. Step 5: Solve for x
    x = 346,594,335.86/16,069.16
  6. Step 6: Final answer
    x = 21,568.91

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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.