Home / 26,053.16-39,038.76-20,144.48

Finding the Fourth Proportional to 26,053.16, 39,038.76 and 20,144.48

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Solution

The fourth proportional to 26,053.16, 39,038.76 and 20,144.48 is: 30,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,053.16 : 39,038.76 = 20,144.48 : x
  2. Step 2: Convert to fraction form
    26,053.16/39,038.76 = 20,144.48/x
  3. Step 3: Cross multiply
    26,053.16x = 39,038.76 × 20,144.48
  4. Step 4: Simplify right side
    26,053.16x = 786,415,520.04
  5. Step 5: Solve for x
    x = 786,415,520.04/26,053.16
  6. Step 6: Final answer
    x = 30,185.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.