Home / 14,425.89-21,630.73-5,416.26

Finding the Fourth Proportional to 14,425.89, 21,630.73 and 5,416.26

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Solution

The fourth proportional to 14,425.89, 21,630.73 and 5,416.26 is: 8,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.89 : 21,630.73 = 5,416.26 : x
  2. Step 2: Convert to fraction form
    14,425.89/21,630.73 = 5,416.26/x
  3. Step 3: Cross multiply
    14,425.89x = 21,630.73 × 5,416.26
  4. Step 4: Simplify right side
    14,425.89x = 117,157,657.67
  5. Step 5: Solve for x
    x = 117,157,657.67/14,425.89
  6. Step 6: Final answer
    x = 8,121.35

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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.