Home / 19,393.08-26,754.48-12,316.92

Finding the Fourth Proportional to 19,393.08, 26,754.48 and 12,316.92

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Solution

The fourth proportional to 19,393.08, 26,754.48 and 12,316.92 is: 16,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.08 : 26,754.48 = 12,316.92 : x
  2. Step 2: Convert to fraction form
    19,393.08/26,754.48 = 12,316.92/x
  3. Step 3: Cross multiply
    19,393.08x = 26,754.48 × 12,316.92
  4. Step 4: Simplify right side
    19,393.08x = 329,532,789.80
  5. Step 5: Solve for x
    x = 329,532,789.80/19,393.08
  6. Step 6: Final answer
    x = 16,992.29

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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.