Home / 21,175.59-31,760.95-5,594.43

Finding the Fourth Proportional to 21,175.59, 31,760.95 and 5,594.43

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Solution

The fourth proportional to 21,175.59, 31,760.95 and 5,594.43 is: 8,391.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,175.59 : 31,760.95 = 5,594.43 : x
  2. Step 2: Convert to fraction form
    21,175.59/31,760.95 = 5,594.43/x
  3. Step 3: Cross multiply
    21,175.59x = 31,760.95 × 5,594.43
  4. Step 4: Simplify right side
    21,175.59x = 177,684,411.51
  5. Step 5: Solve for x
    x = 177,684,411.51/21,175.59
  6. Step 6: Final answer
    x = 8,391.00

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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.