Home / 14,335.83-21,495.23-5,451.81

Finding the Fourth Proportional to 14,335.83, 21,495.23 and 5,451.81

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Solution

The fourth proportional to 14,335.83, 21,495.23 and 5,451.81 is: 8,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,335.83 : 21,495.23 = 5,451.81 : x
  2. Step 2: Convert to fraction form
    14,335.83/21,495.23 = 5,451.81/x
  3. Step 3: Cross multiply
    14,335.83x = 21,495.23 × 5,451.81
  4. Step 4: Simplify right side
    14,335.83x = 117,187,909.87
  5. Step 5: Solve for x
    x = 117,187,909.87/14,335.83
  6. Step 6: Final answer
    x = 8,174.48

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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.