Home / 29,618.64-40,869.77-19,022.63

Finding the Fourth Proportional to 29,618.64, 40,869.77 and 19,022.63

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Solution

The fourth proportional to 29,618.64, 40,869.77 and 19,022.63 is: 26,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,618.64 : 40,869.77 = 19,022.63 : x
  2. Step 2: Convert to fraction form
    29,618.64/40,869.77 = 19,022.63/x
  3. Step 3: Cross multiply
    29,618.64x = 40,869.77 × 19,022.63
  4. Step 4: Simplify right side
    29,618.64x = 777,450,213.43
  5. Step 5: Solve for x
    x = 777,450,213.43/29,618.64
  6. Step 6: Final answer
    x = 26,248.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.