Home / 14,108.15-21,162.53-5,223.92

Finding the Fourth Proportional to 14,108.15, 21,162.53 and 5,223.92

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Solution

The fourth proportional to 14,108.15, 21,162.53 and 5,223.92 is: 7,835.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.15 : 21,162.53 = 5,223.92 : x
  2. Step 2: Convert to fraction form
    14,108.15/21,162.53 = 5,223.92/x
  3. Step 3: Cross multiply
    14,108.15x = 21,162.53 × 5,223.92
  4. Step 4: Simplify right side
    14,108.15x = 110,551,363.72
  5. Step 5: Solve for x
    x = 110,551,363.72/14,108.15
  6. Step 6: Final answer
    x = 7,835.99

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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.