Home / 14,065.89-21,109.22-6,670.37

Finding the Fourth Proportional to 14,065.89, 21,109.22 and 6,670.37

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Solution

The fourth proportional to 14,065.89, 21,109.22 and 6,670.37 is: 10,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.89 : 21,109.22 = 6,670.37 : x
  2. Step 2: Convert to fraction form
    14,065.89/21,109.22 = 6,670.37/x
  3. Step 3: Cross multiply
    14,065.89x = 21,109.22 × 6,670.37
  4. Step 4: Simplify right side
    14,065.89x = 140,806,168.91
  5. Step 5: Solve for x
    x = 140,806,168.91/14,065.89
  6. Step 6: Final answer
    x = 10,010.47

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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.