Home / 13,168.32-19,752.48-5,274.42

Finding the Fourth Proportional to 13,168.32, 19,752.48 and 5,274.42

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Solution

The fourth proportional to 13,168.32, 19,752.48 and 5,274.42 is: 7,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.32 : 19,752.48 = 5,274.42 : x
  2. Step 2: Convert to fraction form
    13,168.32/19,752.48 = 5,274.42/x
  3. Step 3: Cross multiply
    13,168.32x = 19,752.48 × 5,274.42
  4. Step 4: Simplify right side
    13,168.32x = 104,182,875.56
  5. Step 5: Solve for x
    x = 104,182,875.56/13,168.32
  6. Step 6: Final answer
    x = 7,911.63

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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.