Home / 16,818.40-23,208.48-9,263.26

Finding the Fourth Proportional to 16,818.40, 23,208.48 and 9,263.26

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Solution

The fourth proportional to 16,818.40, 23,208.48 and 9,263.26 is: 12,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.40 : 23,208.48 = 9,263.26 : x
  2. Step 2: Convert to fraction form
    16,818.40/23,208.48 = 9,263.26/x
  3. Step 3: Cross multiply
    16,818.40x = 23,208.48 × 9,263.26
  4. Step 4: Simplify right side
    16,818.40x = 214,986,184.44
  5. Step 5: Solve for x
    x = 214,986,184.44/16,818.40
  6. Step 6: Final answer
    x = 12,782.80

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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.