Home / 19,898.56-27,460.60-11,403.38

Finding the Fourth Proportional to 19,898.56, 27,460.60 and 11,403.38

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Solution

The fourth proportional to 19,898.56, 27,460.60 and 11,403.38 is: 15,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,898.56 : 27,460.60 = 11,403.38 : x
  2. Step 2: Convert to fraction form
    19,898.56/27,460.60 = 11,403.38/x
  3. Step 3: Cross multiply
    19,898.56x = 27,460.60 × 11,403.38
  4. Step 4: Simplify right side
    19,898.56x = 313,143,519.53
  5. Step 5: Solve for x
    x = 313,143,519.53/19,898.56
  6. Step 6: Final answer
    x = 15,737.00

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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.