Home / 14,047.38-19,389.48-9,270.81

Finding the Fourth Proportional to 14,047.38, 19,389.48 and 9,270.81

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Solution

The fourth proportional to 14,047.38, 19,389.48 and 9,270.81 is: 12,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.38 : 19,389.48 = 9,270.81 : x
  2. Step 2: Convert to fraction form
    14,047.38/19,389.48 = 9,270.81/x
  3. Step 3: Cross multiply
    14,047.38x = 19,389.48 × 9,270.81
  4. Step 4: Simplify right side
    14,047.38x = 179,756,185.08
  5. Step 5: Solve for x
    x = 179,756,185.08/14,047.38
  6. Step 6: Final answer
    x = 12,796.42

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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.