Home / 13,950.76-20,921.70-4,588.62

Finding the Fourth Proportional to 13,950.76, 20,921.70 and 4,588.62

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Solution

The fourth proportional to 13,950.76, 20,921.70 and 4,588.62 is: 6,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,950.76 : 20,921.70 = 4,588.62 : x
  2. Step 2: Convert to fraction form
    13,950.76/20,921.70 = 4,588.62/x
  3. Step 3: Cross multiply
    13,950.76x = 20,921.70 × 4,588.62
  4. Step 4: Simplify right side
    13,950.76x = 96,001,731.05
  5. Step 5: Solve for x
    x = 96,001,731.05/13,950.76
  6. Step 6: Final answer
    x = 6,881.47

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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.