Home / 16,603.40-24,832.20-12,666.80

Finding the Fourth Proportional to 16,603.40, 24,832.20 and 12,666.80

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Solution

The fourth proportional to 16,603.40, 24,832.20 and 12,666.80 is: 18,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,603.40 : 24,832.20 = 12,666.80 : x
  2. Step 2: Convert to fraction form
    16,603.40/24,832.20 = 12,666.80/x
  3. Step 3: Cross multiply
    16,603.40x = 24,832.20 × 12,666.80
  4. Step 4: Simplify right side
    16,603.40x = 314,544,510.96
  5. Step 5: Solve for x
    x = 314,544,510.96/16,603.40
  6. Step 6: Final answer
    x = 18,944.58

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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.