Home / 21,546.72-32,285.88-16,628.40

Finding the Fourth Proportional to 21,546.72, 32,285.88 and 16,628.40

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Solution

The fourth proportional to 21,546.72, 32,285.88 and 16,628.40 is: 24,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.72 : 32,285.88 = 16,628.40 : x
  2. Step 2: Convert to fraction form
    21,546.72/32,285.88 = 16,628.40/x
  3. Step 3: Cross multiply
    21,546.72x = 32,285.88 × 16,628.40
  4. Step 4: Simplify right side
    21,546.72x = 536,862,526.99
  5. Step 5: Solve for x
    x = 536,862,526.99/21,546.72
  6. Step 6: Final answer
    x = 24,916.21

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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.