Home / 42,763.14-64,138.64-14,682.74

Finding the Fourth Proportional to 42,763.14, 64,138.64 and 14,682.74

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Solution

The fourth proportional to 42,763.14, 64,138.64 and 14,682.74 is: 22,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,763.14 : 64,138.64 = 14,682.74 : x
  2. Step 2: Convert to fraction form
    42,763.14/64,138.64 = 14,682.74/x
  3. Step 3: Cross multiply
    42,763.14x = 64,138.64 × 14,682.74
  4. Step 4: Simplify right side
    42,763.14x = 941,730,580.97
  5. Step 5: Solve for x
    x = 941,730,580.97/42,763.14
  6. Step 6: Final answer
    x = 22,022.02

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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.