Home / 21,580.08-32,344.84-8,244.32

Finding the Fourth Proportional to 21,580.08, 32,344.84 and 8,244.32

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Solution

The fourth proportional to 21,580.08, 32,344.84 and 8,244.32 is: 12,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.08 : 32,344.84 = 8,244.32 : x
  2. Step 2: Convert to fraction form
    21,580.08/32,344.84 = 8,244.32/x
  3. Step 3: Cross multiply
    21,580.08x = 32,344.84 × 8,244.32
  4. Step 4: Simplify right side
    21,580.08x = 266,661,211.31
  5. Step 5: Solve for x
    x = 266,661,211.31/21,580.08
  6. Step 6: Final answer
    x = 12,356.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.