Home / 14,644.26-21,972.15-6,430.50

Finding the Fourth Proportional to 14,644.26, 21,972.15 and 6,430.50

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Solution

The fourth proportional to 14,644.26, 21,972.15 and 6,430.50 is: 9,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.26 : 21,972.15 = 6,430.50 : x
  2. Step 2: Convert to fraction form
    14,644.26/21,972.15 = 6,430.50/x
  3. Step 3: Cross multiply
    14,644.26x = 21,972.15 × 6,430.50
  4. Step 4: Simplify right side
    14,644.26x = 141,291,910.58
  5. Step 5: Solve for x
    x = 141,291,910.58/14,644.26
  6. Step 6: Final answer
    x = 9,648.28

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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.