Home / 19,065.48-28,744.49-17,779.22

Finding the Fourth Proportional to 19,065.48, 28,744.49 and 17,779.22

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Solution

The fourth proportional to 19,065.48, 28,744.49 and 17,779.22 is: 26,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.48 : 28,744.49 = 17,779.22 : x
  2. Step 2: Convert to fraction form
    19,065.48/28,744.49 = 17,779.22/x
  3. Step 3: Cross multiply
    19,065.48x = 28,744.49 × 17,779.22
  4. Step 4: Simplify right side
    19,065.48x = 511,054,378.88
  5. Step 5: Solve for x
    x = 511,054,378.88/19,065.48
  6. Step 6: Final answer
    x = 26,805.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.