Home / 13,996.26-19,317.48-8,031.81

Finding the Fourth Proportional to 13,996.26, 19,317.48 and 8,031.81

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Solution

The fourth proportional to 13,996.26, 19,317.48 and 8,031.81 is: 11,085.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.26 : 19,317.48 = 8,031.81 : x
  2. Step 2: Convert to fraction form
    13,996.26/19,317.48 = 8,031.81/x
  3. Step 3: Cross multiply
    13,996.26x = 19,317.48 × 8,031.81
  4. Step 4: Simplify right side
    13,996.26x = 155,154,329.04
  5. Step 5: Solve for x
    x = 155,154,329.04/13,996.26
  6. Step 6: Final answer
    x = 11,085.41

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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.