Home / 19,138.14-26,423.53-17,115.27

Finding the Fourth Proportional to 19,138.14, 26,423.53 and 17,115.27

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Solution

The fourth proportional to 19,138.14, 26,423.53 and 17,115.27 is: 23,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.14 : 26,423.53 = 17,115.27 : x
  2. Step 2: Convert to fraction form
    19,138.14/26,423.53 = 17,115.27/x
  3. Step 3: Cross multiply
    19,138.14x = 26,423.53 × 17,115.27
  4. Step 4: Simplify right side
    19,138.14x = 452,245,807.51
  5. Step 5: Solve for x
    x = 452,245,807.51/19,138.14
  6. Step 6: Final answer
    x = 23,630.60

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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.