Home / 18,666.53-25,750.73-11,946.77

Finding the Fourth Proportional to 18,666.53, 25,750.73 and 11,946.77

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Solution

The fourth proportional to 18,666.53, 25,750.73 and 11,946.77 is: 16,480.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,666.53 : 25,750.73 = 11,946.77 : x
  2. Step 2: Convert to fraction form
    18,666.53/25,750.73 = 11,946.77/x
  3. Step 3: Cross multiply
    18,666.53x = 25,750.73 × 11,946.77
  4. Step 4: Simplify right side
    18,666.53x = 307,638,048.64
  5. Step 5: Solve for x
    x = 307,638,048.64/18,666.53
  6. Step 6: Final answer
    x = 16,480.73

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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.