Home / 19,090.92-26,359.13-12,732.53

Finding the Fourth Proportional to 19,090.92, 26,359.13 and 12,732.53

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Solution

The fourth proportional to 19,090.92, 26,359.13 and 12,732.53 is: 17,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.92 : 26,359.13 = 12,732.53 : x
  2. Step 2: Convert to fraction form
    19,090.92/26,359.13 = 12,732.53/x
  3. Step 3: Cross multiply
    19,090.92x = 26,359.13 × 12,732.53
  4. Step 4: Simplify right side
    19,090.92x = 335,618,218.04
  5. Step 5: Solve for x
    x = 335,618,218.04/19,090.92
  6. Step 6: Final answer
    x = 17,579.99

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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.