Home / 20,314.24-28,033.28-11,482.24

Finding the Fourth Proportional to 20,314.24, 28,033.28 and 11,482.24

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Solution

The fourth proportional to 20,314.24, 28,033.28 and 11,482.24 is: 15,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.24 : 28,033.28 = 11,482.24 : x
  2. Step 2: Convert to fraction form
    20,314.24/28,033.28 = 11,482.24/x
  3. Step 3: Cross multiply
    20,314.24x = 28,033.28 × 11,482.24
  4. Step 4: Simplify right side
    20,314.24x = 321,884,848.95
  5. Step 5: Solve for x
    x = 321,884,848.95/20,314.24
  6. Step 6: Final answer
    x = 15,845.28

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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.