Home / 19,856.68-27,400.62-11,473.72

Finding the Fourth Proportional to 19,856.68, 27,400.62 and 11,473.72

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Solution

The fourth proportional to 19,856.68, 27,400.62 and 11,473.72 is: 15,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,856.68 : 27,400.62 = 11,473.72 : x
  2. Step 2: Convert to fraction form
    19,856.68/27,400.62 = 11,473.72/x
  3. Step 3: Cross multiply
    19,856.68x = 27,400.62 × 11,473.72
  4. Step 4: Simplify right side
    19,856.68x = 314,387,041.71
  5. Step 5: Solve for x
    x = 314,387,041.71/19,856.68
  6. Step 6: Final answer
    x = 15,832.81

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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.