Home / 14,721.44-22,031.13-14,109.08

Finding the Fourth Proportional to 14,721.44, 22,031.13 and 14,109.08

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Solution

The fourth proportional to 14,721.44, 22,031.13 and 14,109.08 is: 21,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.44 : 22,031.13 = 14,109.08 : x
  2. Step 2: Convert to fraction form
    14,721.44/22,031.13 = 14,109.08/x
  3. Step 3: Cross multiply
    14,721.44x = 22,031.13 × 14,109.08
  4. Step 4: Simplify right side
    14,721.44x = 310,838,975.66
  5. Step 5: Solve for x
    x = 310,838,975.66/14,721.44
  6. Step 6: Final answer
    x = 21,114.71

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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.