Home / 14,436.05-19,921.60-8,466.58

Finding the Fourth Proportional to 14,436.05, 19,921.60 and 8,466.58

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Solution

The fourth proportional to 14,436.05, 19,921.60 and 8,466.58 is: 11,683.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,436.05 : 19,921.60 = 8,466.58 : x
  2. Step 2: Convert to fraction form
    14,436.05/19,921.60 = 8,466.58/x
  3. Step 3: Cross multiply
    14,436.05x = 19,921.60 × 8,466.58
  4. Step 4: Simplify right side
    14,436.05x = 168,667,695.93
  5. Step 5: Solve for x
    x = 168,667,695.93/14,436.05
  6. Step 6: Final answer
    x = 11,683.79

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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.