Home / 13,040.16-19,560.96-4,276.32

Finding the Fourth Proportional to 13,040.16, 19,560.96 and 4,276.32

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Solution

The fourth proportional to 13,040.16, 19,560.96 and 4,276.32 is: 6,414.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.16 : 19,560.96 = 4,276.32 : x
  2. Step 2: Convert to fraction form
    13,040.16/19,560.96 = 4,276.32/x
  3. Step 3: Cross multiply
    13,040.16x = 19,560.96 × 4,276.32
  4. Step 4: Simplify right side
    13,040.16x = 83,648,924.47
  5. Step 5: Solve for x
    x = 83,648,924.47/13,040.16
  6. Step 6: Final answer
    x = 6,414.72

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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.