Home / 16,890.73-23,303.50-9,811.33

Finding the Fourth Proportional to 16,890.73, 23,303.50 and 9,811.33

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Solution

The fourth proportional to 16,890.73, 23,303.50 and 9,811.33 is: 13,536.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,890.73 : 23,303.50 = 9,811.33 : x
  2. Step 2: Convert to fraction form
    16,890.73/23,303.50 = 9,811.33/x
  3. Step 3: Cross multiply
    16,890.73x = 23,303.50 × 9,811.33
  4. Step 4: Simplify right side
    16,890.73x = 228,638,328.66
  5. Step 5: Solve for x
    x = 228,638,328.66/16,890.73
  6. Step 6: Final answer
    x = 13,536.32

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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.