Home / 19,369.96-26,720.66-12,659.50

Finding the Fourth Proportional to 19,369.96, 26,720.66 and 12,659.50

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Solution

The fourth proportional to 19,369.96, 26,720.66 and 12,659.50 is: 17,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369.96 : 26,720.66 = 12,659.50 : x
  2. Step 2: Convert to fraction form
    19,369.96/26,720.66 = 12,659.50/x
  3. Step 3: Cross multiply
    19,369.96x = 26,720.66 × 12,659.50
  4. Step 4: Simplify right side
    19,369.96x = 338,270,195.27
  5. Step 5: Solve for x
    x = 338,270,195.27/19,369.96
  6. Step 6: Final answer
    x = 17,463.65

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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.