Home / 42,682.55-64,033.34-13,102.97

Finding the Fourth Proportional to 42,682.55, 64,033.34 and 13,102.97

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Solution

The fourth proportional to 42,682.55, 64,033.34 and 13,102.97 is: 19,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,682.55 : 64,033.34 = 13,102.97 : x
  2. Step 2: Convert to fraction form
    42,682.55/64,033.34 = 13,102.97/x
  3. Step 3: Cross multiply
    42,682.55x = 64,033.34 × 13,102.97
  4. Step 4: Simplify right side
    42,682.55x = 839,026,547.34
  5. Step 5: Solve for x
    x = 839,026,547.34/42,682.55
  6. Step 6: Final answer
    x = 19,657.37

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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.