Home / 28,533.86-42,777.59-11,906.28

Finding the Fourth Proportional to 28,533.86, 42,777.59 and 11,906.28

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Solution

The fourth proportional to 28,533.86, 42,777.59 and 11,906.28 is: 17,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,533.86 : 42,777.59 = 11,906.28 : x
  2. Step 2: Convert to fraction form
    28,533.86/42,777.59 = 11,906.28/x
  3. Step 3: Cross multiply
    28,533.86x = 42,777.59 × 11,906.28
  4. Step 4: Simplify right side
    28,533.86x = 509,321,964.27
  5. Step 5: Solve for x
    x = 509,321,964.27/28,533.86
  6. Step 6: Final answer
    x = 17,849.74

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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.