Home / 19,150.64-26,414.90-12,424.25

Finding the Fourth Proportional to 19,150.64, 26,414.90 and 12,424.25

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Solution

The fourth proportional to 19,150.64, 26,414.90 and 12,424.25 is: 17,137.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.64 : 26,414.90 = 12,424.25 : x
  2. Step 2: Convert to fraction form
    19,150.64/26,414.90 = 12,424.25/x
  3. Step 3: Cross multiply
    19,150.64x = 26,414.90 × 12,424.25
  4. Step 4: Simplify right side
    19,150.64x = 328,185,127.13
  5. Step 5: Solve for x
    x = 328,185,127.13/19,150.64
  6. Step 6: Final answer
    x = 17,137.04

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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.