Home / 14,133.38-19,504.14-7,845.78

Finding the Fourth Proportional to 14,133.38, 19,504.14 and 7,845.78

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Solution

The fourth proportional to 14,133.38, 19,504.14 and 7,845.78 is: 10,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.38 : 19,504.14 = 7,845.78 : x
  2. Step 2: Convert to fraction form
    14,133.38/19,504.14 = 7,845.78/x
  3. Step 3: Cross multiply
    14,133.38x = 19,504.14 × 7,845.78
  4. Step 4: Simplify right side
    14,133.38x = 153,025,191.53
  5. Step 5: Solve for x
    x = 153,025,191.53/14,133.38
  6. Step 6: Final answer
    x = 10,827.22

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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.