Home / 19,781.52-27,298.52-10,829.04

Finding the Fourth Proportional to 19,781.52, 27,298.52 and 10,829.04

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Solution

The fourth proportional to 19,781.52, 27,298.52 and 10,829.04 is: 14,944.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781.52 : 27,298.52 = 10,829.04 : x
  2. Step 2: Convert to fraction form
    19,781.52/27,298.52 = 10,829.04/x
  3. Step 3: Cross multiply
    19,781.52x = 27,298.52 × 10,829.04
  4. Step 4: Simplify right side
    19,781.52x = 295,616,802.67
  5. Step 5: Solve for x
    x = 295,616,802.67/19,781.52
  6. Step 6: Final answer
    x = 14,944.09

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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.