Home / 14,113.75-21,172.67-7,536.35

Finding the Fourth Proportional to 14,113.75, 21,172.67 and 7,536.35

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Solution

The fourth proportional to 14,113.75, 21,172.67 and 7,536.35 is: 11,305.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.75 : 21,172.67 = 7,536.35 : x
  2. Step 2: Convert to fraction form
    14,113.75/21,172.67 = 7,536.35/x
  3. Step 3: Cross multiply
    14,113.75x = 21,172.67 × 7,536.35
  4. Step 4: Simplify right side
    14,113.75x = 159,564,564.53
  5. Step 5: Solve for x
    x = 159,564,564.53/14,113.75
  6. Step 6: Final answer
    x = 11,305.61

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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.