Home / 16,455.60-22,699.50-10,085.28

Finding the Fourth Proportional to 16,455.60, 22,699.50 and 10,085.28

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Solution

The fourth proportional to 16,455.60, 22,699.50 and 10,085.28 is: 13,912.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.60 : 22,699.50 = 10,085.28 : x
  2. Step 2: Convert to fraction form
    16,455.60/22,699.50 = 10,085.28/x
  3. Step 3: Cross multiply
    16,455.60x = 22,699.50 × 10,085.28
  4. Step 4: Simplify right side
    16,455.60x = 228,930,813.36
  5. Step 5: Solve for x
    x = 228,930,813.36/16,455.60
  6. Step 6: Final answer
    x = 13,912.03

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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.