Home / 14,261.56-21,401.66-6,470.44

Finding the Fourth Proportional to 14,261.56, 21,401.66 and 6,470.44

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Solution

The fourth proportional to 14,261.56, 21,401.66 and 6,470.44 is: 9,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.56 : 21,401.66 = 6,470.44 : x
  2. Step 2: Convert to fraction form
    14,261.56/21,401.66 = 6,470.44/x
  3. Step 3: Cross multiply
    14,261.56x = 21,401.66 × 6,470.44
  4. Step 4: Simplify right side
    14,261.56x = 138,478,156.93
  5. Step 5: Solve for x
    x = 138,478,156.93/14,261.56
  6. Step 6: Final answer
    x = 9,709.89

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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.