Home / 16,478.03-22,720.50-12,003.80

Finding the Fourth Proportional to 16,478.03, 22,720.50 and 12,003.80

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Solution

The fourth proportional to 16,478.03, 22,720.50 and 12,003.80 is: 16,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.03 : 22,720.50 = 12,003.80 : x
  2. Step 2: Convert to fraction form
    16,478.03/22,720.50 = 12,003.80/x
  3. Step 3: Cross multiply
    16,478.03x = 22,720.50 × 12,003.80
  4. Step 4: Simplify right side
    16,478.03x = 272,732,224.30
  5. Step 5: Solve for x
    x = 272,732,224.30/16,478.03
  6. Step 6: Final answer
    x = 16,551.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.