Home / 14,152.40-19,530.72-8,183.54

Finding the Fourth Proportional to 14,152.40, 19,530.72 and 8,183.54

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Solution

The fourth proportional to 14,152.40, 19,530.72 and 8,183.54 is: 11,293.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.40 : 19,530.72 = 8,183.54 : x
  2. Step 2: Convert to fraction form
    14,152.40/19,530.72 = 8,183.54/x
  3. Step 3: Cross multiply
    14,152.40x = 19,530.72 × 8,183.54
  4. Step 4: Simplify right side
    14,152.40x = 159,830,428.35
  5. Step 5: Solve for x
    x = 159,830,428.35/14,152.40
  6. Step 6: Final answer
    x = 11,293.52

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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.