Home / 14,177.57-19,566.26-7,805.42

Finding the Fourth Proportional to 14,177.57, 19,566.26 and 7,805.42

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Solution

The fourth proportional to 14,177.57, 19,566.26 and 7,805.42 is: 10,772.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.57 : 19,566.26 = 7,805.42 : x
  2. Step 2: Convert to fraction form
    14,177.57/19,566.26 = 7,805.42/x
  3. Step 3: Cross multiply
    14,177.57x = 19,566.26 × 7,805.42
  4. Step 4: Simplify right side
    14,177.57x = 152,722,877.13
  5. Step 5: Solve for x
    x = 152,722,877.13/14,177.57
  6. Step 6: Final answer
    x = 10,772.15

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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.