Home / 15,076.16-20,792.40-9,699.44

Finding the Fourth Proportional to 15,076.16, 20,792.40 and 9,699.44

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Solution

The fourth proportional to 15,076.16, 20,792.40 and 9,699.44 is: 13,377.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.16 : 20,792.40 = 9,699.44 : x
  2. Step 2: Convert to fraction form
    15,076.16/20,792.40 = 9,699.44/x
  3. Step 3: Cross multiply
    15,076.16x = 20,792.40 × 9,699.44
  4. Step 4: Simplify right side
    15,076.16x = 201,674,636.26
  5. Step 5: Solve for x
    x = 201,674,636.26/15,076.16
  6. Step 6: Final answer
    x = 13,377.06

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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.