Home / 19,147.92-26,424.24-12,436.08

Finding the Fourth Proportional to 19,147.92, 26,424.24 and 12,436.08

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Solution

The fourth proportional to 19,147.92, 26,424.24 and 12,436.08 is: 17,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.92 : 26,424.24 = 12,436.08 : x
  2. Step 2: Convert to fraction form
    19,147.92/26,424.24 = 12,436.08/x
  3. Step 3: Cross multiply
    19,147.92x = 26,424.24 × 12,436.08
  4. Step 4: Simplify right side
    19,147.92x = 328,613,962.58
  5. Step 5: Solve for x
    x = 328,613,962.58/19,147.92
  6. Step 6: Final answer
    x = 17,161.86

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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.