Home / 18,986.37-26,196.69-11,023.86

Finding the Fourth Proportional to 18,986.37, 26,196.69 and 11,023.86

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Solution

The fourth proportional to 18,986.37, 26,196.69 and 11,023.86 is: 15,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.37 : 26,196.69 = 11,023.86 : x
  2. Step 2: Convert to fraction form
    18,986.37/26,196.69 = 11,023.86/x
  3. Step 3: Cross multiply
    18,986.37x = 26,196.69 × 11,023.86
  4. Step 4: Simplify right side
    18,986.37x = 288,788,643.02
  5. Step 5: Solve for x
    x = 288,788,643.02/18,986.37
  6. Step 6: Final answer
    x = 15,210.31

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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.