Home / 14,747.81-22,035.48-14,231.12

Finding the Fourth Proportional to 14,747.81, 22,035.48 and 14,231.12

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Solution

The fourth proportional to 14,747.81, 22,035.48 and 14,231.12 is: 21,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.81 : 22,035.48 = 14,231.12 : x
  2. Step 2: Convert to fraction form
    14,747.81/22,035.48 = 14,231.12/x
  3. Step 3: Cross multiply
    14,747.81x = 22,035.48 × 14,231.12
  4. Step 4: Simplify right side
    14,747.81x = 313,589,396.59
  5. Step 5: Solve for x
    x = 313,589,396.59/14,747.81
  6. Step 6: Final answer
    x = 21,263.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.