Home / 16,400.70-24,625.35-12,707.10

Finding the Fourth Proportional to 16,400.70, 24,625.35 and 12,707.10

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Solution

The fourth proportional to 16,400.70, 24,625.35 and 12,707.10 is: 19,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,400.70 : 24,625.35 = 12,707.10 : x
  2. Step 2: Convert to fraction form
    16,400.70/24,625.35 = 12,707.10/x
  3. Step 3: Cross multiply
    16,400.70x = 24,625.35 × 12,707.10
  4. Step 4: Simplify right side
    16,400.70x = 312,916,784.99
  5. Step 5: Solve for x
    x = 312,916,784.99/16,400.70
  6. Step 6: Final answer
    x = 19,079.48

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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.