Home / 19,322.20-26,660.64-11,358.82

Finding the Fourth Proportional to 19,322.20, 26,660.64 and 11,358.82

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Solution

The fourth proportional to 19,322.20, 26,660.64 and 11,358.82 is: 15,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.20 : 26,660.64 = 11,358.82 : x
  2. Step 2: Convert to fraction form
    19,322.20/26,660.64 = 11,358.82/x
  3. Step 3: Cross multiply
    19,322.20x = 26,660.64 × 11,358.82
  4. Step 4: Simplify right side
    19,322.20x = 302,833,410.84
  5. Step 5: Solve for x
    x = 302,833,410.84/19,322.20
  6. Step 6: Final answer
    x = 15,672.82

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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.