Home / 19,774.04-27,285.54-11,388.92

Finding the Fourth Proportional to 19,774.04, 27,285.54 and 11,388.92

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Solution

The fourth proportional to 19,774.04, 27,285.54 and 11,388.92 is: 15,715.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.04 : 27,285.54 = 11,388.92 : x
  2. Step 2: Convert to fraction form
    19,774.04/27,285.54 = 11,388.92/x
  3. Step 3: Cross multiply
    19,774.04x = 27,285.54 × 11,388.92
  4. Step 4: Simplify right side
    19,774.04x = 310,752,832.22
  5. Step 5: Solve for x
    x = 310,752,832.22/19,774.04
  6. Step 6: Final answer
    x = 15,715.19

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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.