Home / 19,981.68-27,578.04-19,095.92

Finding the Fourth Proportional to 19,981.68, 27,578.04 and 19,095.92

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Solution

The fourth proportional to 19,981.68, 27,578.04 and 19,095.92 is: 26,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.68 : 27,578.04 = 19,095.92 : x
  2. Step 2: Convert to fraction form
    19,981.68/27,578.04 = 19,095.92/x
  3. Step 3: Cross multiply
    19,981.68x = 27,578.04 × 19,095.92
  4. Step 4: Simplify right side
    19,981.68x = 526,628,045.60
  5. Step 5: Solve for x
    x = 526,628,045.60/19,981.68
  6. Step 6: Final answer
    x = 26,355.54

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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.