Home / 16,969.55-23,418.52-9,416.45

Finding the Fourth Proportional to 16,969.55, 23,418.52 and 9,416.45

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Solution

The fourth proportional to 16,969.55, 23,418.52 and 9,416.45 is: 12,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.55 : 23,418.52 = 9,416.45 : x
  2. Step 2: Convert to fraction form
    16,969.55/23,418.52 = 9,416.45/x
  3. Step 3: Cross multiply
    16,969.55x = 23,418.52 × 9,416.45
  4. Step 4: Simplify right side
    16,969.55x = 220,519,182.02
  5. Step 5: Solve for x
    x = 220,519,182.02/16,969.55
  6. Step 6: Final answer
    x = 12,994.99

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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.