Home / 30,114.36-41,557.14-16,685.64

Finding the Fourth Proportional to 30,114.36, 41,557.14 and 16,685.64

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Solution

The fourth proportional to 30,114.36, 41,557.14 and 16,685.64 is: 23,025.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,114.36 : 41,557.14 = 16,685.64 : x
  2. Step 2: Convert to fraction form
    30,114.36/41,557.14 = 16,685.64/x
  3. Step 3: Cross multiply
    30,114.36x = 41,557.14 × 16,685.64
  4. Step 4: Simplify right side
    30,114.36x = 693,407,477.47
  5. Step 5: Solve for x
    x = 693,407,477.47/30,114.36
  6. Step 6: Final answer
    x = 23,025.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.