Home / 14,405.20-21,607.20-4,551.56

Finding the Fourth Proportional to 14,405.20, 21,607.20 and 4,551.56

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Solution

The fourth proportional to 14,405.20, 21,607.20 and 4,551.56 is: 6,827.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.20 : 21,607.20 = 4,551.56 : x
  2. Step 2: Convert to fraction form
    14,405.20/21,607.20 = 4,551.56/x
  3. Step 3: Cross multiply
    14,405.20x = 21,607.20 × 4,551.56
  4. Step 4: Simplify right side
    14,405.20x = 98,346,467.23
  5. Step 5: Solve for x
    x = 98,346,467.23/14,405.20
  6. Step 6: Final answer
    x = 6,827.15

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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.