Home / 14,381.60-21,572.39-4,521.74

Finding the Fourth Proportional to 14,381.60, 21,572.39 and 4,521.74

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Solution

The fourth proportional to 14,381.60, 21,572.39 and 4,521.74 is: 6,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.60 : 21,572.39 = 4,521.74 : x
  2. Step 2: Convert to fraction form
    14,381.60/21,572.39 = 4,521.74/x
  3. Step 3: Cross multiply
    14,381.60x = 21,572.39 × 4,521.74
  4. Step 4: Simplify right side
    14,381.60x = 97,544,716.15
  5. Step 5: Solve for x
    x = 97,544,716.15/14,381.60
  6. Step 6: Final answer
    x = 6,782.61

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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.