Home / 13,152.16-19,734.32-5,755.64

Finding the Fourth Proportional to 13,152.16, 19,734.32 and 5,755.64

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Solution

The fourth proportional to 13,152.16, 19,734.32 and 5,755.64 is: 8,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.16 : 19,734.32 = 5,755.64 : x
  2. Step 2: Convert to fraction form
    13,152.16/19,734.32 = 5,755.64/x
  3. Step 3: Cross multiply
    13,152.16x = 19,734.32 × 5,755.64
  4. Step 4: Simplify right side
    13,152.16x = 113,583,705.29
  5. Step 5: Solve for x
    x = 113,583,705.29/13,152.16
  6. Step 6: Final answer
    x = 8,636.13

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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.