Home / 16,210.40-24,315.60-12,518.02

Finding the Fourth Proportional to 16,210.40, 24,315.60 and 12,518.02

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Solution

The fourth proportional to 16,210.40, 24,315.60 and 12,518.02 is: 18,777.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,210.40 : 24,315.60 = 12,518.02 : x
  2. Step 2: Convert to fraction form
    16,210.40/24,315.60 = 12,518.02/x
  3. Step 3: Cross multiply
    16,210.40x = 24,315.60 × 12,518.02
  4. Step 4: Simplify right side
    16,210.40x = 304,383,153.27
  5. Step 5: Solve for x
    x = 304,383,153.27/16,210.40
  6. Step 6: Final answer
    x = 18,777.03

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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.