Home / 22,281.35-30,754.62-13,784.85

Finding the Fourth Proportional to 22,281.35, 30,754.62 and 13,784.85

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Solution

The fourth proportional to 22,281.35, 30,754.62 and 13,784.85 is: 19,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.35 : 30,754.62 = 13,784.85 : x
  2. Step 2: Convert to fraction form
    22,281.35/30,754.62 = 13,784.85/x
  3. Step 3: Cross multiply
    22,281.35x = 30,754.62 × 13,784.85
  4. Step 4: Simplify right side
    22,281.35x = 423,947,823.51
  5. Step 5: Solve for x
    x = 423,947,823.51/22,281.35
  6. Step 6: Final answer
    x = 19,027.03

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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.