Home / 14,555.20-21,725.84-14,068.48

Finding the Fourth Proportional to 14,555.20, 21,725.84 and 14,068.48

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Solution

The fourth proportional to 14,555.20, 21,725.84 and 14,068.48 is: 20,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,555.20 : 21,725.84 = 14,068.48 : x
  2. Step 2: Convert to fraction form
    14,555.20/21,725.84 = 14,068.48/x
  3. Step 3: Cross multiply
    14,555.20x = 21,725.84 × 14,068.48
  4. Step 4: Simplify right side
    14,555.20x = 305,649,545.52
  5. Step 5: Solve for x
    x = 305,649,545.52/14,555.20
  6. Step 6: Final answer
    x = 20,999.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.