Home / 14,646.38-21,970.54-5,157.56

Finding the Fourth Proportional to 14,646.38, 21,970.54 and 5,157.56

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Solution

The fourth proportional to 14,646.38, 21,970.54 and 5,157.56 is: 7,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646.38 : 21,970.54 = 5,157.56 : x
  2. Step 2: Convert to fraction form
    14,646.38/21,970.54 = 5,157.56/x
  3. Step 3: Cross multiply
    14,646.38x = 21,970.54 × 5,157.56
  4. Step 4: Simplify right side
    14,646.38x = 113,314,378.28
  5. Step 5: Solve for x
    x = 113,314,378.28/14,646.38
  6. Step 6: Final answer
    x = 7,736.68

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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.