Home / 14,044.79-19,386.14-8,080.43

Finding the Fourth Proportional to 14,044.79, 19,386.14 and 8,080.43

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Solution

The fourth proportional to 14,044.79, 19,386.14 and 8,080.43 is: 11,153.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,044.79 : 19,386.14 = 8,080.43 : x
  2. Step 2: Convert to fraction form
    14,044.79/19,386.14 = 8,080.43/x
  3. Step 3: Cross multiply
    14,044.79x = 19,386.14 × 8,080.43
  4. Step 4: Simplify right side
    14,044.79x = 156,648,373.48
  5. Step 5: Solve for x
    x = 156,648,373.48/14,044.79
  6. Step 6: Final answer
    x = 11,153.48

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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.