Home / 30,165.68-41,630.28-19,564.40

Finding the Fourth Proportional to 30,165.68, 41,630.28 and 19,564.40

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Solution

The fourth proportional to 30,165.68, 41,630.28 and 19,564.40 is: 26,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165.68 : 41,630.28 = 19,564.40 : x
  2. Step 2: Convert to fraction form
    30,165.68/41,630.28 = 19,564.40/x
  3. Step 3: Cross multiply
    30,165.68x = 41,630.28 × 19,564.40
  4. Step 4: Simplify right side
    30,165.68x = 814,471,450.03
  5. Step 5: Solve for x
    x = 814,471,450.03/30,165.68
  6. Step 6: Final answer
    x = 26,999.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.