Home / 19,483.29-26,888.31-10,986.18

Finding the Fourth Proportional to 19,483.29, 26,888.31 and 10,986.18

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Solution

The fourth proportional to 19,483.29, 26,888.31 and 10,986.18 is: 15,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.29 : 26,888.31 = 10,986.18 : x
  2. Step 2: Convert to fraction form
    19,483.29/26,888.31 = 10,986.18/x
  3. Step 3: Cross multiply
    19,483.29x = 26,888.31 × 10,986.18
  4. Step 4: Simplify right side
    19,483.29x = 295,399,813.56
  5. Step 5: Solve for x
    x = 295,399,813.56/19,483.29
  6. Step 6: Final answer
    x = 15,161.70

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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.