Home / 21,585.61-29,787.69-12,025.48

Finding the Fourth Proportional to 21,585.61, 29,787.69 and 12,025.48

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Solution

The fourth proportional to 21,585.61, 29,787.69 and 12,025.48 is: 16,594.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585.61 : 29,787.69 = 12,025.48 : x
  2. Step 2: Convert to fraction form
    21,585.61/29,787.69 = 12,025.48/x
  3. Step 3: Cross multiply
    21,585.61x = 29,787.69 × 12,025.48
  4. Step 4: Simplify right side
    21,585.61x = 358,211,210.21
  5. Step 5: Solve for x
    x = 358,211,210.21/21,585.61
  6. Step 6: Final answer
    x = 16,594.91

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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.