Home / 17,720.30-26,580.47-16,637.73

Finding the Fourth Proportional to 17,720.30, 26,580.47 and 16,637.73

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Solution

The fourth proportional to 17,720.30, 26,580.47 and 16,637.73 is: 24,956.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.30 : 26,580.47 = 16,637.73 : x
  2. Step 2: Convert to fraction form
    17,720.30/26,580.47 = 16,637.73/x
  3. Step 3: Cross multiply
    17,720.30x = 26,580.47 × 16,637.73
  4. Step 4: Simplify right side
    17,720.30x = 442,238,724.73
  5. Step 5: Solve for x
    x = 442,238,724.73/17,720.30
  6. Step 6: Final answer
    x = 24,956.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.