Home / 15,968.32-22,045.44-10,680.64

Finding the Fourth Proportional to 15,968.32, 22,045.44 and 10,680.64

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Solution

The fourth proportional to 15,968.32, 22,045.44 and 10,680.64 is: 14,745.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,968.32 : 22,045.44 = 10,680.64 : x
  2. Step 2: Convert to fraction form
    15,968.32/22,045.44 = 10,680.64/x
  3. Step 3: Cross multiply
    15,968.32x = 22,045.44 × 10,680.64
  4. Step 4: Simplify right side
    15,968.32x = 235,459,408.28
  5. Step 5: Solve for x
    x = 235,459,408.28/15,968.32
  6. Step 6: Final answer
    x = 14,745.41

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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.