Home / 21,722.35-32,560.23-14,223.06

Finding the Fourth Proportional to 21,722.35, 32,560.23 and 14,223.06

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Solution

The fourth proportional to 21,722.35, 32,560.23 and 14,223.06 is: 21,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722.35 : 32,560.23 = 14,223.06 : x
  2. Step 2: Convert to fraction form
    21,722.35/32,560.23 = 14,223.06/x
  3. Step 3: Cross multiply
    21,722.35x = 32,560.23 × 14,223.06
  4. Step 4: Simplify right side
    21,722.35x = 463,106,104.90
  5. Step 5: Solve for x
    x = 463,106,104.90/21,722.35
  6. Step 6: Final answer
    x = 21,319.34

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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.