Home / 14,430.91-21,649.15-5,545.58

Finding the Fourth Proportional to 14,430.91, 21,649.15 and 5,545.58

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Solution

The fourth proportional to 14,430.91, 21,649.15 and 5,545.58 is: 8,319.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.91 : 21,649.15 = 5,545.58 : x
  2. Step 2: Convert to fraction form
    14,430.91/21,649.15 = 5,545.58/x
  3. Step 3: Cross multiply
    14,430.91x = 21,649.15 × 5,545.58
  4. Step 4: Simplify right side
    14,430.91x = 120,057,093.26
  5. Step 5: Solve for x
    x = 120,057,093.26/14,430.91
  6. Step 6: Final answer
    x = 8,319.44

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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.