Home / 26,586.48-39,880.80-11,792.64

Finding the Fourth Proportional to 26,586.48, 39,880.80 and 11,792.64

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Solution

The fourth proportional to 26,586.48, 39,880.80 and 11,792.64 is: 17,689.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,586.48 : 39,880.80 = 11,792.64 : x
  2. Step 2: Convert to fraction form
    26,586.48/39,880.80 = 11,792.64/x
  3. Step 3: Cross multiply
    26,586.48x = 39,880.80 × 11,792.64
  4. Step 4: Simplify right side
    26,586.48x = 470,299,917.31
  5. Step 5: Solve for x
    x = 470,299,917.31/26,586.48
  6. Step 6: Final answer
    x = 17,689.44

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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.