Home / 19,177.87-26,473.65-12,893.89

Finding the Fourth Proportional to 19,177.87, 26,473.65 and 12,893.89

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Solution

The fourth proportional to 19,177.87, 26,473.65 and 12,893.89 is: 17,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.87 : 26,473.65 = 12,893.89 : x
  2. Step 2: Convert to fraction form
    19,177.87/26,473.65 = 12,893.89/x
  3. Step 3: Cross multiply
    19,177.87x = 26,473.65 × 12,893.89
  4. Step 4: Simplify right side
    19,177.87x = 341,348,331.00
  5. Step 5: Solve for x
    x = 341,348,331.00/19,177.87
  6. Step 6: Final answer
    x = 17,799.07

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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.