Home / 14,222.16-19,635.75-9,744.48

Finding the Fourth Proportional to 14,222.16, 19,635.75 and 9,744.48

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Solution

The fourth proportional to 14,222.16, 19,635.75 and 9,744.48 is: 13,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.16 : 19,635.75 = 9,744.48 : x
  2. Step 2: Convert to fraction form
    14,222.16/19,635.75 = 9,744.48/x
  3. Step 3: Cross multiply
    14,222.16x = 19,635.75 × 9,744.48
  4. Step 4: Simplify right side
    14,222.16x = 191,340,173.16
  5. Step 5: Solve for x
    x = 191,340,173.16/14,222.16
  6. Step 6: Final answer
    x = 13,453.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.