Home / 14,403.64-21,590.62-5,516.55

Finding the Fourth Proportional to 14,403.64, 21,590.62 and 5,516.55

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Solution

The fourth proportional to 14,403.64, 21,590.62 and 5,516.55 is: 8,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.64 : 21,590.62 = 5,516.55 : x
  2. Step 2: Convert to fraction form
    14,403.64/21,590.62 = 5,516.55/x
  3. Step 3: Cross multiply
    14,403.64x = 21,590.62 × 5,516.55
  4. Step 4: Simplify right side
    14,403.64x = 119,105,734.76
  5. Step 5: Solve for x
    x = 119,105,734.76/14,403.64
  6. Step 6: Final answer
    x = 8,269.14

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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.