Home / 14,390.16-21,597.54-5,631.22

Finding the Fourth Proportional to 14,390.16, 21,597.54 and 5,631.22

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Solution

The fourth proportional to 14,390.16, 21,597.54 and 5,631.22 is: 8,451.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.16 : 21,597.54 = 5,631.22 : x
  2. Step 2: Convert to fraction form
    14,390.16/21,597.54 = 5,631.22/x
  3. Step 3: Cross multiply
    14,390.16x = 21,597.54 × 5,631.22
  4. Step 4: Simplify right side
    14,390.16x = 121,620,505.08
  5. Step 5: Solve for x
    x = 121,620,505.08/14,390.16
  6. Step 6: Final answer
    x = 8,451.65

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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.