Home / 22,627.12-31,225.62-12,556.24

Finding the Fourth Proportional to 22,627.12, 31,225.62 and 12,556.24

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Solution

The fourth proportional to 22,627.12, 31,225.62 and 12,556.24 is: 17,327.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,627.12 : 31,225.62 = 12,556.24 : x
  2. Step 2: Convert to fraction form
    22,627.12/31,225.62 = 12,556.24/x
  3. Step 3: Cross multiply
    22,627.12x = 31,225.62 × 12,556.24
  4. Step 4: Simplify right side
    22,627.12x = 392,076,378.87
  5. Step 5: Solve for x
    x = 392,076,378.87/22,627.12
  6. Step 6: Final answer
    x = 17,327.72

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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.