Home / 19,459.68-26,844.96-12,743.04

Finding the Fourth Proportional to 19,459.68, 26,844.96 and 12,743.04

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Solution

The fourth proportional to 19,459.68, 26,844.96 and 12,743.04 is: 17,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,459.68 : 26,844.96 = 12,743.04 : x
  2. Step 2: Convert to fraction form
    19,459.68/26,844.96 = 12,743.04/x
  3. Step 3: Cross multiply
    19,459.68x = 26,844.96 × 12,743.04
  4. Step 4: Simplify right side
    19,459.68x = 342,086,399.08
  5. Step 5: Solve for x
    x = 342,086,399.08/19,459.68
  6. Step 6: Final answer
    x = 17,579.24

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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.