Home / 19,536.78-26,943.39-15,337.74

Finding the Fourth Proportional to 19,536.78, 26,943.39 and 15,337.74

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Solution

The fourth proportional to 19,536.78, 26,943.39 and 15,337.74 is: 21,152.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,536.78 : 26,943.39 = 15,337.74 : x
  2. Step 2: Convert to fraction form
    19,536.78/26,943.39 = 15,337.74/x
  3. Step 3: Cross multiply
    19,536.78x = 26,943.39 × 15,337.74
  4. Step 4: Simplify right side
    19,536.78x = 413,250,710.54
  5. Step 5: Solve for x
    x = 413,250,710.54/19,536.78
  6. Step 6: Final answer
    x = 21,152.45

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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.