Home / 30,192.91-45,220.39-14,409.03

Finding the Fourth Proportional to 30,192.91, 45,220.39 and 14,409.03

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Solution

The fourth proportional to 30,192.91, 45,220.39 and 14,409.03 is: 21,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,192.91 : 45,220.39 = 14,409.03 : x
  2. Step 2: Convert to fraction form
    30,192.91/45,220.39 = 14,409.03/x
  3. Step 3: Cross multiply
    30,192.91x = 45,220.39 × 14,409.03
  4. Step 4: Simplify right side
    30,192.91x = 651,581,956.12
  5. Step 5: Solve for x
    x = 651,581,956.12/30,192.91
  6. Step 6: Final answer
    x = 21,580.63

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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.