Home / 14,419.08-21,623.76-7,018.80

Finding the Fourth Proportional to 14,419.08, 21,623.76 and 7,018.80

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Solution

The fourth proportional to 14,419.08, 21,623.76 and 7,018.80 is: 10,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.08 : 21,623.76 = 7,018.80 : x
  2. Step 2: Convert to fraction form
    14,419.08/21,623.76 = 7,018.80/x
  3. Step 3: Cross multiply
    14,419.08x = 21,623.76 × 7,018.80
  4. Step 4: Simplify right side
    14,419.08x = 151,772,846.69
  5. Step 5: Solve for x
    x = 151,772,846.69/14,419.08
  6. Step 6: Final answer
    x = 10,525.83

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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.