Home / 15,720.72-23,560.25-11,541.19

Finding the Fourth Proportional to 15,720.72, 23,560.25 and 11,541.19

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Solution

The fourth proportional to 15,720.72, 23,560.25 and 11,541.19 is: 17,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,720.72 : 23,560.25 = 11,541.19 : x
  2. Step 2: Convert to fraction form
    15,720.72/23,560.25 = 11,541.19/x
  3. Step 3: Cross multiply
    15,720.72x = 23,560.25 × 11,541.19
  4. Step 4: Simplify right side
    15,720.72x = 271,913,205.09
  5. Step 5: Solve for x
    x = 271,913,205.09/15,720.72
  6. Step 6: Final answer
    x = 17,296.49

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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.