Home / 21,585.18-29,787.10-12,025.06

Finding the Fourth Proportional to 21,585.18, 29,787.10 and 12,025.06

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Solution

The fourth proportional to 21,585.18, 29,787.10 and 12,025.06 is: 16,594.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.18 : 29,787.10 = 12,025.06 : x
  2. Step 2: Convert to fraction form
    21,585.18/29,787.10 = 12,025.06/x
  3. Step 3: Cross multiply
    21,585.18x = 29,787.10 × 12,025.06
  4. Step 4: Simplify right side
    21,585.18x = 358,191,664.73
  5. Step 5: Solve for x
    x = 358,191,664.73/21,585.18
  6. Step 6: Final answer
    x = 16,594.33

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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.