Home / 14,290.18-21,424.88-5,972.57

Finding the Fourth Proportional to 14,290.18, 21,424.88 and 5,972.57

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Solution

The fourth proportional to 14,290.18, 21,424.88 and 5,972.57 is: 8,954.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.18 : 21,424.88 = 5,972.57 : x
  2. Step 2: Convert to fraction form
    14,290.18/21,424.88 = 5,972.57/x
  3. Step 3: Cross multiply
    14,290.18x = 21,424.88 × 5,972.57
  4. Step 4: Simplify right side
    14,290.18x = 127,961,583.69
  5. Step 5: Solve for x
    x = 127,961,583.69/14,290.18
  6. Step 6: Final answer
    x = 8,954.51

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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.