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Finding the Fourth Proportional to 14,851.70, 22,277.55 and 14,621.30

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Solution

The fourth proportional to 14,851.70, 22,277.55 and 14,621.30 is: 21,931.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.70 : 22,277.55 = 14,621.30 : x
  2. Step 2: Convert to fraction form
    14,851.70/22,277.55 = 14,621.30/x
  3. Step 3: Cross multiply
    14,851.70x = 22,277.55 × 14,621.30
  4. Step 4: Simplify right side
    14,851.70x = 325,726,741.82
  5. Step 5: Solve for x
    x = 325,726,741.82/14,851.70
  6. Step 6: Final answer
    x = 21,931.95

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Similar ratio
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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.