Home / 14,208.75-19,607.67-8,240.04

Finding the Fourth Proportional to 14,208.75, 19,607.67 and 8,240.04

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Solution

The fourth proportional to 14,208.75, 19,607.67 and 8,240.04 is: 11,371.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.75 : 19,607.67 = 8,240.04 : x
  2. Step 2: Convert to fraction form
    14,208.75/19,607.67 = 8,240.04/x
  3. Step 3: Cross multiply
    14,208.75x = 19,607.67 × 8,240.04
  4. Step 4: Simplify right side
    14,208.75x = 161,567,985.11
  5. Step 5: Solve for x
    x = 161,567,985.11/14,208.75
  6. Step 6: Final answer
    x = 11,371.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.