Home / 14,678.07-21,991.94-9,860.48

Finding the Fourth Proportional to 14,678.07, 21,991.94 and 9,860.48

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Solution

The fourth proportional to 14,678.07, 21,991.94 and 9,860.48 is: 14,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.07 : 21,991.94 = 9,860.48 : x
  2. Step 2: Convert to fraction form
    14,678.07/21,991.94 = 9,860.48/x
  3. Step 3: Cross multiply
    14,678.07x = 21,991.94 × 9,860.48
  4. Step 4: Simplify right side
    14,678.07x = 216,851,044.72
  5. Step 5: Solve for x
    x = 216,851,044.72/14,678.07
  6. Step 6: Final answer
    x = 14,773.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.