Home / 19,774.52-27,288.77-10,699.86

Finding the Fourth Proportional to 19,774.52, 27,288.77 and 10,699.86

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Solution

The fourth proportional to 19,774.52, 27,288.77 and 10,699.86 is: 14,765.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,774.52 : 27,288.77 = 10,699.86 : x
  2. Step 2: Convert to fraction form
    19,774.52/27,288.77 = 10,699.86/x
  3. Step 3: Cross multiply
    19,774.52x = 27,288.77 × 10,699.86
  4. Step 4: Simplify right side
    19,774.52x = 291,986,018.57
  5. Step 5: Solve for x
    x = 291,986,018.57/19,774.52
  6. Step 6: Final answer
    x = 14,765.77

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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.