Home / 14,482.28-21,738.78-12,827.15

Finding the Fourth Proportional to 14,482.28, 21,738.78 and 12,827.15

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Solution

The fourth proportional to 14,482.28, 21,738.78 and 12,827.15 is: 19,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.28 : 21,738.78 = 12,827.15 : x
  2. Step 2: Convert to fraction form
    14,482.28/21,738.78 = 12,827.15/x
  3. Step 3: Cross multiply
    14,482.28x = 21,738.78 × 12,827.15
  4. Step 4: Simplify right side
    14,482.28x = 278,846,483.18
  5. Step 5: Solve for x
    x = 278,846,483.18/14,482.28
  6. Step 6: Final answer
    x = 19,254.33

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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.