Home / 15,504.72-23,268.96-7,720.08

Finding the Fourth Proportional to 15,504.72, 23,268.96 and 7,720.08

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Solution

The fourth proportional to 15,504.72, 23,268.96 and 7,720.08 is: 11,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,504.72 : 23,268.96 = 7,720.08 : x
  2. Step 2: Convert to fraction form
    15,504.72/23,268.96 = 7,720.08/x
  3. Step 3: Cross multiply
    15,504.72x = 23,268.96 × 7,720.08
  4. Step 4: Simplify right side
    15,504.72x = 179,638,232.72
  5. Step 5: Solve for x
    x = 179,638,232.72/15,504.72
  6. Step 6: Final answer
    x = 11,586.04

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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.