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Finding the Fourth Proportional to 14,437.53, 19,922.36 and 8,148.69

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Solution

The fourth proportional to 14,437.53, 19,922.36 and 8,148.69 is: 11,244.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,437.53 : 19,922.36 = 8,148.69 : x
  2. Step 2: Convert to fraction form
    14,437.53/19,922.36 = 8,148.69/x
  3. Step 3: Cross multiply
    14,437.53x = 19,922.36 × 8,148.69
  4. Step 4: Simplify right side
    14,437.53x = 162,341,094.96
  5. Step 5: Solve for x
    x = 162,341,094.96/14,437.53
  6. Step 6: Final answer
    x = 11,244.38

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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.