Home / 16,477.18-24,715.78-12,768.40

Finding the Fourth Proportional to 16,477.18, 24,715.78 and 12,768.40

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Solution

The fourth proportional to 16,477.18, 24,715.78 and 12,768.40 is: 19,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,477.18 : 24,715.78 = 12,768.40 : x
  2. Step 2: Convert to fraction form
    16,477.18/24,715.78 = 12,768.40/x
  3. Step 3: Cross multiply
    16,477.18x = 24,715.78 × 12,768.40
  4. Step 4: Simplify right side
    16,477.18x = 315,580,965.35
  5. Step 5: Solve for x
    x = 315,580,965.35/16,477.18
  6. Step 6: Final answer
    x = 19,152.61

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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.