Home / 14,668.70-20,237.38-10,131.08

Finding the Fourth Proportional to 14,668.70, 20,237.38 and 10,131.08

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Solution

The fourth proportional to 14,668.70, 20,237.38 and 10,131.08 is: 13,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,668.70 : 20,237.38 = 10,131.08 : x
  2. Step 2: Convert to fraction form
    14,668.70/20,237.38 = 10,131.08/x
  3. Step 3: Cross multiply
    14,668.70x = 20,237.38 × 10,131.08
  4. Step 4: Simplify right side
    14,668.70x = 205,026,389.26
  5. Step 5: Solve for x
    x = 205,026,389.26/14,668.70
  6. Step 6: Final answer
    x = 13,977.14

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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.