Home / 14,225.34-21,340.74-5,459.56

Finding the Fourth Proportional to 14,225.34, 21,340.74 and 5,459.56

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Solution

The fourth proportional to 14,225.34, 21,340.74 and 5,459.56 is: 8,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.34 : 21,340.74 = 5,459.56 : x
  2. Step 2: Convert to fraction form
    14,225.34/21,340.74 = 5,459.56/x
  3. Step 3: Cross multiply
    14,225.34x = 21,340.74 × 5,459.56
  4. Step 4: Simplify right side
    14,225.34x = 116,511,050.47
  5. Step 5: Solve for x
    x = 116,511,050.47/14,225.34
  6. Step 6: Final answer
    x = 8,190.39

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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.