Home / 19,326.07-28,930.75-17,478.06

Finding the Fourth Proportional to 19,326.07, 28,930.75 and 17,478.06

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Solution

The fourth proportional to 19,326.07, 28,930.75 and 17,478.06 is: 26,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.07 : 28,930.75 = 17,478.06 : x
  2. Step 2: Convert to fraction form
    19,326.07/28,930.75 = 17,478.06/x
  3. Step 3: Cross multiply
    19,326.07x = 28,930.75 × 17,478.06
  4. Step 4: Simplify right side
    19,326.07x = 505,653,232.16
  5. Step 5: Solve for x
    x = 505,653,232.16/19,326.07
  6. Step 6: Final answer
    x = 26,164.31

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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.