Home / 22,225.58-30,656.85-14,255.18

Finding the Fourth Proportional to 22,225.58, 30,656.85 and 14,255.18

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Solution

The fourth proportional to 22,225.58, 30,656.85 and 14,255.18 is: 19,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,225.58 : 30,656.85 = 14,255.18 : x
  2. Step 2: Convert to fraction form
    22,225.58/30,656.85 = 14,255.18/x
  3. Step 3: Cross multiply
    22,225.58x = 30,656.85 × 14,255.18
  4. Step 4: Simplify right side
    22,225.58x = 437,018,914.98
  5. Step 5: Solve for x
    x = 437,018,914.98/22,225.58
  6. Step 6: Final answer
    x = 19,662.88

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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.