Home / 42,722.96-64,093.53-14,635.49

Finding the Fourth Proportional to 42,722.96, 64,093.53 and 14,635.49

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Solution

The fourth proportional to 42,722.96, 64,093.53 and 14,635.49 is: 21,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,722.96 : 64,093.53 = 14,635.49 : x
  2. Step 2: Convert to fraction form
    42,722.96/64,093.53 = 14,635.49/x
  3. Step 3: Cross multiply
    42,722.96x = 64,093.53 × 14,635.49
  4. Step 4: Simplify right side
    42,722.96x = 938,039,896.91
  5. Step 5: Solve for x
    x = 938,039,896.91/42,722.96
  6. Step 6: Final answer
    x = 21,956.34

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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.