Home / 19,071.08-26,321.43-11,003.32

Finding the Fourth Proportional to 19,071.08, 26,321.43 and 11,003.32

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Solution

The fourth proportional to 19,071.08, 26,321.43 and 11,003.32 is: 15,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.08 : 26,321.43 = 11,003.32 : x
  2. Step 2: Convert to fraction form
    19,071.08/26,321.43 = 11,003.32/x
  3. Step 3: Cross multiply
    19,071.08x = 26,321.43 × 11,003.32
  4. Step 4: Simplify right side
    19,071.08x = 289,623,117.15
  5. Step 5: Solve for x
    x = 289,623,117.15/19,071.08
  6. Step 6: Final answer
    x = 15,186.51

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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.