Home / 14,143.60-21,212.70-3,756.16

Finding the Fourth Proportional to 14,143.60, 21,212.70 and 3,756.16

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Solution

The fourth proportional to 14,143.60, 21,212.70 and 3,756.16 is: 5,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.60 : 21,212.70 = 3,756.16 : x
  2. Step 2: Convert to fraction form
    14,143.60/21,212.70 = 3,756.16/x
  3. Step 3: Cross multiply
    14,143.60x = 21,212.70 × 3,756.16
  4. Step 4: Simplify right side
    14,143.60x = 79,678,295.23
  5. Step 5: Solve for x
    x = 79,678,295.23/14,143.60
  6. Step 6: Final answer
    x = 5,633.52

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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.