Home / 14,188.58-21,285.61-4,828.22

Finding the Fourth Proportional to 14,188.58, 21,285.61 and 4,828.22

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Solution

The fourth proportional to 14,188.58, 21,285.61 and 4,828.22 is: 7,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.58 : 21,285.61 = 4,828.22 : x
  2. Step 2: Convert to fraction form
    14,188.58/21,285.61 = 4,828.22/x
  3. Step 3: Cross multiply
    14,188.58x = 21,285.61 × 4,828.22
  4. Step 4: Simplify right side
    14,188.58x = 102,771,649.06
  5. Step 5: Solve for x
    x = 102,771,649.06/14,188.58
  6. Step 6: Final answer
    x = 7,243.26

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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.