Home / 14,405.75-21,608.63-3,461.75

Finding the Fourth Proportional to 14,405.75, 21,608.63 and 3,461.75

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Solution

The fourth proportional to 14,405.75, 21,608.63 and 3,461.75 is: 5,192.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.75 : 21,608.63 = 3,461.75 : x
  2. Step 2: Convert to fraction form
    14,405.75/21,608.63 = 3,461.75/x
  3. Step 3: Cross multiply
    14,405.75x = 21,608.63 × 3,461.75
  4. Step 4: Simplify right side
    14,405.75x = 74,803,674.90
  5. Step 5: Solve for x
    x = 74,803,674.90/14,405.75
  6. Step 6: Final answer
    x = 5,192.63

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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.