Home / 15,625.76-21,563.46-8,552.16

Finding the Fourth Proportional to 15,625.76, 21,563.46 and 8,552.16

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Solution

The fourth proportional to 15,625.76, 21,563.46 and 8,552.16 is: 11,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,625.76 : 21,563.46 = 8,552.16 : x
  2. Step 2: Convert to fraction form
    15,625.76/21,563.46 = 8,552.16/x
  3. Step 3: Cross multiply
    15,625.76x = 21,563.46 × 8,552.16
  4. Step 4: Simplify right side
    15,625.76x = 184,414,160.07
  5. Step 5: Solve for x
    x = 184,414,160.07/15,625.76
  6. Step 6: Final answer
    x = 11,801.93

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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.