Home / 14,405.75-19,880.15-8,032.16

Finding the Fourth Proportional to 14,405.75, 19,880.15 and 8,032.16

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Solution

The fourth proportional to 14,405.75, 19,880.15 and 8,032.16 is: 11,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,405.75 : 19,880.15 = 8,032.16 : x
  2. Step 2: Convert to fraction form
    14,405.75/19,880.15 = 8,032.16/x
  3. Step 3: Cross multiply
    14,405.75x = 19,880.15 × 8,032.16
  4. Step 4: Simplify right side
    14,405.75x = 159,680,511.11
  5. Step 5: Solve for x
    x = 159,680,511.11/14,405.75
  6. Step 6: Final answer
    x = 11,084.49

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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.