Home / 20,710.62-28,584.50-19,444.59

Finding the Fourth Proportional to 20,710.62, 28,584.50 and 19,444.59

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Solution

The fourth proportional to 20,710.62, 28,584.50 and 19,444.59 is: 26,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.62 : 28,584.50 = 19,444.59 : x
  2. Step 2: Convert to fraction form
    20,710.62/28,584.50 = 19,444.59/x
  3. Step 3: Cross multiply
    20,710.62x = 28,584.50 × 19,444.59
  4. Step 4: Simplify right side
    20,710.62x = 555,813,785.63
  5. Step 5: Solve for x
    x = 555,813,785.63/20,710.62
  6. Step 6: Final answer
    x = 26,837.14

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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.