Home / 14,188.04-21,281.28-4,326.54

Finding the Fourth Proportional to 14,188.04, 21,281.28 and 4,326.54

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Solution

The fourth proportional to 14,188.04, 21,281.28 and 4,326.54 is: 6,489.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.04 : 21,281.28 = 4,326.54 : x
  2. Step 2: Convert to fraction form
    14,188.04/21,281.28 = 4,326.54/x
  3. Step 3: Cross multiply
    14,188.04x = 21,281.28 × 4,326.54
  4. Step 4: Simplify right side
    14,188.04x = 92,074,297.33
  5. Step 5: Solve for x
    x = 92,074,297.33/14,188.04
  6. Step 6: Final answer
    x = 6,489.57

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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.