Home / 15,765.36-23,767.62-14,918.64

Finding the Fourth Proportional to 15,765.36, 23,767.62 and 14,918.64

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Solution

The fourth proportional to 15,765.36, 23,767.62 and 14,918.64 is: 22,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,765.36 : 23,767.62 = 14,918.64 : x
  2. Step 2: Convert to fraction form
    15,765.36/23,767.62 = 14,918.64/x
  3. Step 3: Cross multiply
    15,765.36x = 23,767.62 × 14,918.64
  4. Step 4: Simplify right side
    15,765.36x = 354,580,566.44
  5. Step 5: Solve for x
    x = 354,580,566.44/15,765.36
  6. Step 6: Final answer
    x = 22,491.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.