Home / 42,821.28-64,215.96-14,733.48

Finding the Fourth Proportional to 42,821.28, 64,215.96 and 14,733.48

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Solution

The fourth proportional to 42,821.28, 64,215.96 and 14,733.48 is: 22,094.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,821.28 : 64,215.96 = 14,733.48 : x
  2. Step 2: Convert to fraction form
    42,821.28/64,215.96 = 14,733.48/x
  3. Step 3: Cross multiply
    42,821.28x = 64,215.96 × 14,733.48
  4. Step 4: Simplify right side
    42,821.28x = 946,124,562.34
  5. Step 5: Solve for x
    x = 946,124,562.34/42,821.28
  6. Step 6: Final answer
    x = 22,094.73

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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.