Home / 21,717.36-32,560.38-14,679.96

Finding the Fourth Proportional to 21,717.36, 32,560.38 and 14,679.96

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Solution

The fourth proportional to 21,717.36, 32,560.38 and 14,679.96 is: 22,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.36 : 32,560.38 = 14,679.96 : x
  2. Step 2: Convert to fraction form
    21,717.36/32,560.38 = 14,679.96/x
  3. Step 3: Cross multiply
    21,717.36x = 32,560.38 × 14,679.96
  4. Step 4: Simplify right side
    21,717.36x = 477,985,075.98
  5. Step 5: Solve for x
    x = 477,985,075.98/21,717.36
  6. Step 6: Final answer
    x = 22,009.35

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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.