Home / 14,188.69-21,283.08-14,168.19

Finding the Fourth Proportional to 14,188.69, 21,283.08 and 14,168.19

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Solution

The fourth proportional to 14,188.69, 21,283.08 and 14,168.19 is: 21,252.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.69 : 21,283.08 = 14,168.19 : x
  2. Step 2: Convert to fraction form
    14,188.69/21,283.08 = 14,168.19/x
  3. Step 3: Cross multiply
    14,188.69x = 21,283.08 × 14,168.19
  4. Step 4: Simplify right side
    14,188.69x = 301,542,727.90
  5. Step 5: Solve for x
    x = 301,542,727.90/14,188.69
  6. Step 6: Final answer
    x = 21,252.32

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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.