Home / 14,479.90-21,722.42-5,125.34

Finding the Fourth Proportional to 14,479.90, 21,722.42 and 5,125.34

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Solution

The fourth proportional to 14,479.90, 21,722.42 and 5,125.34 is: 7,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,479.90 : 21,722.42 = 5,125.34 : x
  2. Step 2: Convert to fraction form
    14,479.90/21,722.42 = 5,125.34/x
  3. Step 3: Cross multiply
    14,479.90x = 21,722.42 × 5,125.34
  4. Step 4: Simplify right side
    14,479.90x = 111,334,855.24
  5. Step 5: Solve for x
    x = 111,334,855.24/14,479.90
  6. Step 6: Final answer
    x = 7,688.93

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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.