Home / 18,053.37-24,915.83-10,980.81

Finding the Fourth Proportional to 18,053.37, 24,915.83 and 10,980.81

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Solution

The fourth proportional to 18,053.37, 24,915.83 and 10,980.81 is: 15,154.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.37 : 24,915.83 = 10,980.81 : x
  2. Step 2: Convert to fraction form
    18,053.37/24,915.83 = 10,980.81/x
  3. Step 3: Cross multiply
    18,053.37x = 24,915.83 × 10,980.81
  4. Step 4: Simplify right side
    18,053.37x = 273,595,940.32
  5. Step 5: Solve for x
    x = 273,595,940.32/18,053.37
  6. Step 6: Final answer
    x = 15,154.84

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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.