Home / 25,491.93-35,208.30-16,980.03

Finding the Fourth Proportional to 25,491.93, 35,208.30 and 16,980.03

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Solution

The fourth proportional to 25,491.93, 35,208.30 and 16,980.03 is: 23,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,491.93 : 35,208.30 = 16,980.03 : x
  2. Step 2: Convert to fraction form
    25,491.93/35,208.30 = 16,980.03/x
  3. Step 3: Cross multiply
    25,491.93x = 35,208.30 × 16,980.03
  4. Step 4: Simplify right side
    25,491.93x = 597,837,990.25
  5. Step 5: Solve for x
    x = 597,837,990.25/25,491.93
  6. Step 6: Final answer
    x = 23,452.05

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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.