Home / 14,177.49-19,564.78-7,803.94

Finding the Fourth Proportional to 14,177.49, 19,564.78 and 7,803.94

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Solution

The fourth proportional to 14,177.49, 19,564.78 and 7,803.94 is: 10,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.49 : 19,564.78 = 7,803.94 : x
  2. Step 2: Convert to fraction form
    14,177.49/19,564.78 = 7,803.94/x
  3. Step 3: Cross multiply
    14,177.49x = 19,564.78 × 7,803.94
  4. Step 4: Simplify right side
    14,177.49x = 152,682,369.23
  5. Step 5: Solve for x
    x = 152,682,369.23/14,177.49
  6. Step 6: Final answer
    x = 10,769.35

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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.