Home / 13,814.26-20,721.53-11,058.45

Finding the Fourth Proportional to 13,814.26, 20,721.53 and 11,058.45

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Solution

The fourth proportional to 13,814.26, 20,721.53 and 11,058.45 is: 16,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.26 : 20,721.53 = 11,058.45 : x
  2. Step 2: Convert to fraction form
    13,814.26/20,721.53 = 11,058.45/x
  3. Step 3: Cross multiply
    13,814.26x = 20,721.53 × 11,058.45
  4. Step 4: Simplify right side
    13,814.26x = 229,148,031.07
  5. Step 5: Solve for x
    x = 229,148,031.07/13,814.26
  6. Step 6: Final answer
    x = 16,587.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.