Home / 16,969.70-23,418.18-9,417.26

Finding the Fourth Proportional to 16,969.70, 23,418.18 and 9,417.26

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Solution

The fourth proportional to 16,969.70, 23,418.18 and 9,417.26 is: 12,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.70 : 23,418.18 = 9,417.26 : x
  2. Step 2: Convert to fraction form
    16,969.70/23,418.18 = 9,417.26/x
  3. Step 3: Cross multiply
    16,969.70x = 23,418.18 × 9,417.26
  4. Step 4: Simplify right side
    16,969.70x = 220,535,089.79
  5. Step 5: Solve for x
    x = 220,535,089.79/16,969.70
  6. Step 6: Final answer
    x = 12,995.82

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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.