Home / 14,230.84-19,639.32-8,264.38

Finding the Fourth Proportional to 14,230.84, 19,639.32 and 8,264.38

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Solution

The fourth proportional to 14,230.84, 19,639.32 and 8,264.38 is: 11,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.84 : 19,639.32 = 8,264.38 : x
  2. Step 2: Convert to fraction form
    14,230.84/19,639.32 = 8,264.38/x
  3. Step 3: Cross multiply
    14,230.84x = 19,639.32 × 8,264.38
  4. Step 4: Simplify right side
    14,230.84x = 162,306,803.42
  5. Step 5: Solve for x
    x = 162,306,803.42/14,230.84
  6. Step 6: Final answer
    x = 11,405.29

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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.