Home / 16,749.05-23,119.09-12,047.00

Finding the Fourth Proportional to 16,749.05, 23,119.09 and 12,047.00

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Solution

The fourth proportional to 16,749.05, 23,119.09 and 12,047.00 is: 16,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.05 : 23,119.09 = 12,047.00 : x
  2. Step 2: Convert to fraction form
    16,749.05/23,119.09 = 12,047.00/x
  3. Step 3: Cross multiply
    16,749.05x = 23,119.09 × 12,047.00
  4. Step 4: Simplify right side
    16,749.05x = 278,515,531.52
  5. Step 5: Solve for x
    x = 278,515,531.52/16,749.05
  6. Step 6: Final answer
    x = 16,628.74

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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.