Home / 14,972.07-20,668.14-9,669.51

Finding the Fourth Proportional to 14,972.07, 20,668.14 and 9,669.51

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Solution

The fourth proportional to 14,972.07, 20,668.14 and 9,669.51 is: 13,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,972.07 : 20,668.14 = 9,669.51 : x
  2. Step 2: Convert to fraction form
    14,972.07/20,668.14 = 9,669.51/x
  3. Step 3: Cross multiply
    14,972.07x = 20,668.14 × 9,669.51
  4. Step 4: Simplify right side
    14,972.07x = 199,850,786.41
  5. Step 5: Solve for x
    x = 199,850,786.41/14,972.07
  6. Step 6: Final answer
    x = 13,348.24

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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.