Home / 14,048.72-21,074.16-5,283.44

Finding the Fourth Proportional to 14,048.72, 21,074.16 and 5,283.44

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Solution

The fourth proportional to 14,048.72, 21,074.16 and 5,283.44 is: 7,925.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.72 : 21,074.16 = 5,283.44 : x
  2. Step 2: Convert to fraction form
    14,048.72/21,074.16 = 5,283.44/x
  3. Step 3: Cross multiply
    14,048.72x = 21,074.16 × 5,283.44
  4. Step 4: Simplify right side
    14,048.72x = 111,344,059.91
  5. Step 5: Solve for x
    x = 111,344,059.91/14,048.72
  6. Step 6: Final answer
    x = 7,925.57

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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.