Home / 16,980.23-25,437.21-11,119.07

Finding the Fourth Proportional to 16,980.23, 25,437.21 and 11,119.07

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Solution

The fourth proportional to 16,980.23, 25,437.21 and 11,119.07 is: 16,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.23 : 25,437.21 = 11,119.07 : x
  2. Step 2: Convert to fraction form
    16,980.23/25,437.21 = 11,119.07/x
  3. Step 3: Cross multiply
    16,980.23x = 25,437.21 × 11,119.07
  4. Step 4: Simplify right side
    16,980.23x = 282,837,986.98
  5. Step 5: Solve for x
    x = 282,837,986.98/16,980.23
  6. Step 6: Final answer
    x = 16,656.90

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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.