Home / 19,920.64-29,873.97-5,876.92

Finding the Fourth Proportional to 19,920.64, 29,873.97 and 5,876.92

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Solution

The fourth proportional to 19,920.64, 29,873.97 and 5,876.92 is: 8,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.64 : 29,873.97 = 5,876.92 : x
  2. Step 2: Convert to fraction form
    19,920.64/29,873.97 = 5,876.92/x
  3. Step 3: Cross multiply
    19,920.64x = 29,873.97 × 5,876.92
  4. Step 4: Simplify right side
    19,920.64x = 175,566,931.77
  5. Step 5: Solve for x
    x = 175,566,931.77/19,920.64
  6. Step 6: Final answer
    x = 8,813.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.