Home / 19,054.26-26,301.78-15,511.32

Finding the Fourth Proportional to 19,054.26, 26,301.78 and 15,511.32

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Solution

The fourth proportional to 19,054.26, 26,301.78 and 15,511.32 is: 21,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,054.26 : 26,301.78 = 15,511.32 : x
  2. Step 2: Convert to fraction form
    19,054.26/26,301.78 = 15,511.32/x
  3. Step 3: Cross multiply
    19,054.26x = 26,301.78 × 15,511.32
  4. Step 4: Simplify right side
    19,054.26x = 407,975,326.15
  5. Step 5: Solve for x
    x = 407,975,326.15/19,054.26
  6. Step 6: Final answer
    x = 21,411.24

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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.