Home / 14,002.70-21,002.38-5,235.26

Finding the Fourth Proportional to 14,002.70, 21,002.38 and 5,235.26

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Solution

The fourth proportional to 14,002.70, 21,002.38 and 5,235.26 is: 7,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.70 : 21,002.38 = 5,235.26 : x
  2. Step 2: Convert to fraction form
    14,002.70/21,002.38 = 5,235.26/x
  3. Step 3: Cross multiply
    14,002.70x = 21,002.38 × 5,235.26
  4. Step 4: Simplify right side
    14,002.70x = 109,952,801.82
  5. Step 5: Solve for x
    x = 109,952,801.82/14,002.70
  6. Step 6: Final answer
    x = 7,852.26

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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.