Home / 16,820.60-25,232.10-5,133.80

Finding the Fourth Proportional to 16,820.60, 25,232.10 and 5,133.80

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Solution

The fourth proportional to 16,820.60, 25,232.10 and 5,133.80 is: 7,701.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.60 : 25,232.10 = 5,133.80 : x
  2. Step 2: Convert to fraction form
    16,820.60/25,232.10 = 5,133.80/x
  3. Step 3: Cross multiply
    16,820.60x = 25,232.10 × 5,133.80
  4. Step 4: Simplify right side
    16,820.60x = 129,536,554.98
  5. Step 5: Solve for x
    x = 129,536,554.98/16,820.60
  6. Step 6: Final answer
    x = 7,701.07

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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.