Home / 19,132.08-26,402.52-11,578.32

Finding the Fourth Proportional to 19,132.08, 26,402.52 and 11,578.32

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Solution

The fourth proportional to 19,132.08, 26,402.52 and 11,578.32 is: 15,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.08 : 26,402.52 = 11,578.32 : x
  2. Step 2: Convert to fraction form
    19,132.08/26,402.52 = 11,578.32/x
  3. Step 3: Cross multiply
    19,132.08x = 26,402.52 × 11,578.32
  4. Step 4: Simplify right side
    19,132.08x = 305,696,825.37
  5. Step 5: Solve for x
    x = 305,696,825.37/19,132.08
  6. Step 6: Final answer
    x = 15,978.23

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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.