Home / 15,557.05-23,321.55-10,561.12

Finding the Fourth Proportional to 15,557.05, 23,321.55 and 10,561.12

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Solution

The fourth proportional to 15,557.05, 23,321.55 and 10,561.12 is: 15,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.05 : 23,321.55 = 10,561.12 : x
  2. Step 2: Convert to fraction form
    15,557.05/23,321.55 = 10,561.12/x
  3. Step 3: Cross multiply
    15,557.05x = 23,321.55 × 10,561.12
  4. Step 4: Simplify right side
    15,557.05x = 246,301,629.83
  5. Step 5: Solve for x
    x = 246,301,629.83/15,557.05
  6. Step 6: Final answer
    x = 15,832.16

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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.