Home / 19,260.48-26,601.40-12,961.92

Finding the Fourth Proportional to 19,260.48, 26,601.40 and 12,961.92

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Solution

The fourth proportional to 19,260.48, 26,601.40 and 12,961.92 is: 17,902.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.48 : 26,601.40 = 12,961.92 : x
  2. Step 2: Convert to fraction form
    19,260.48/26,601.40 = 12,961.92/x
  3. Step 3: Cross multiply
    19,260.48x = 26,601.40 × 12,961.92
  4. Step 4: Simplify right side
    19,260.48x = 344,805,218.69
  5. Step 5: Solve for x
    x = 344,805,218.69/19,260.48
  6. Step 6: Final answer
    x = 17,902.21

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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.