Home / 21,585.66-29,787.40-12,025.32

Finding the Fourth Proportional to 21,585.66, 29,787.40 and 12,025.32

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Solution

The fourth proportional to 21,585.66, 29,787.40 and 12,025.32 is: 16,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.66 : 29,787.40 = 12,025.32 : x
  2. Step 2: Convert to fraction form
    21,585.66/29,787.40 = 12,025.32/x
  3. Step 3: Cross multiply
    21,585.66x = 29,787.40 × 12,025.32
  4. Step 4: Simplify right side
    21,585.66x = 358,203,016.97
  5. Step 5: Solve for x
    x = 358,203,016.97/21,585.66
  6. Step 6: Final answer
    x = 16,594.49

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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.