Home / 19,151.64-26,416.27-12,425.25

Finding the Fourth Proportional to 19,151.64, 26,416.27 and 12,425.25

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Solution

The fourth proportional to 19,151.64, 26,416.27 and 12,425.25 is: 17,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.64 : 26,416.27 = 12,425.25 : x
  2. Step 2: Convert to fraction form
    19,151.64/26,416.27 = 12,425.25/x
  3. Step 3: Cross multiply
    19,151.64x = 26,416.27 × 12,425.25
  4. Step 4: Simplify right side
    19,151.64x = 328,228,758.82
  5. Step 5: Solve for x
    x = 328,228,758.82/19,151.64
  6. Step 6: Final answer
    x = 17,138.42

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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.