Home / 14,141.44-19,515.80-7,853.81

Finding the Fourth Proportional to 14,141.44, 19,515.80 and 7,853.81

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Solution

The fourth proportional to 14,141.44, 19,515.80 and 7,853.81 is: 10,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,141.44 : 19,515.80 = 7,853.81 : x
  2. Step 2: Convert to fraction form
    14,141.44/19,515.80 = 7,853.81/x
  3. Step 3: Cross multiply
    14,141.44x = 19,515.80 × 7,853.81
  4. Step 4: Simplify right side
    14,141.44x = 153,273,394.72
  5. Step 5: Solve for x
    x = 153,273,394.72/14,141.44
  6. Step 6: Final answer
    x = 10,838.60

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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.