Home / 43,274.96-64,906.80-13,695.76

Finding the Fourth Proportional to 43,274.96, 64,906.80 and 13,695.76

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Solution

The fourth proportional to 43,274.96, 64,906.80 and 13,695.76 is: 20,541.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,274.96 : 64,906.80 = 13,695.76 : x
  2. Step 2: Convert to fraction form
    43,274.96/64,906.80 = 13,695.76/x
  3. Step 3: Cross multiply
    43,274.96x = 64,906.80 × 13,695.76
  4. Step 4: Simplify right side
    43,274.96x = 888,947,955.17
  5. Step 5: Solve for x
    x = 888,947,955.17/43,274.96
  6. Step 6: Final answer
    x = 20,541.86

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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.