Home / 14,208.63-21,319.09-7,627.13

Finding the Fourth Proportional to 14,208.63, 21,319.09 and 7,627.13

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Solution

The fourth proportional to 14,208.63, 21,319.09 and 7,627.13 is: 11,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.63 : 21,319.09 = 7,627.13 : x
  2. Step 2: Convert to fraction form
    14,208.63/21,319.09 = 7,627.13/x
  3. Step 3: Cross multiply
    14,208.63x = 21,319.09 × 7,627.13
  4. Step 4: Simplify right side
    14,208.63x = 162,603,470.91
  5. Step 5: Solve for x
    x = 162,603,470.91/14,208.63
  6. Step 6: Final answer
    x = 11,443.99

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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.