Home / 13,801.05-19,044.90-7,513.43

Finding the Fourth Proportional to 13,801.05, 19,044.90 and 7,513.43

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Solution

The fourth proportional to 13,801.05, 19,044.90 and 7,513.43 is: 10,368.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.05 : 19,044.90 = 7,513.43 : x
  2. Step 2: Convert to fraction form
    13,801.05/19,044.90 = 7,513.43/x
  3. Step 3: Cross multiply
    13,801.05x = 19,044.90 × 7,513.43
  4. Step 4: Simplify right side
    13,801.05x = 143,092,523.01
  5. Step 5: Solve for x
    x = 143,092,523.01/13,801.05
  6. Step 6: Final answer
    x = 10,368.23

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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.