Home / 21,416.28-32,124.42-6,625.33

Finding the Fourth Proportional to 21,416.28, 32,124.42 and 6,625.33

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Solution

The fourth proportional to 21,416.28, 32,124.42 and 6,625.33 is: 9,937.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,416.28 : 32,124.42 = 6,625.33 : x
  2. Step 2: Convert to fraction form
    21,416.28/32,124.42 = 6,625.33/x
  3. Step 3: Cross multiply
    21,416.28x = 32,124.42 × 6,625.33
  4. Step 4: Simplify right side
    21,416.28x = 212,834,803.25
  5. Step 5: Solve for x
    x = 212,834,803.25/21,416.28
  6. Step 6: Final answer
    x = 9,937.99

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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.