Home / 21,427.50-32,161.97-10,341.99

Finding the Fourth Proportional to 21,427.50, 32,161.97 and 10,341.99

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Solution

The fourth proportional to 21,427.50, 32,161.97 and 10,341.99 is: 15,522.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,427.50 : 32,161.97 = 10,341.99 : x
  2. Step 2: Convert to fraction form
    21,427.50/32,161.97 = 10,341.99/x
  3. Step 3: Cross multiply
    21,427.50x = 32,161.97 × 10,341.99
  4. Step 4: Simplify right side
    21,427.50x = 332,618,637.17
  5. Step 5: Solve for x
    x = 332,618,637.17/21,427.50
  6. Step 6: Final answer
    x = 15,522.98

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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.