Home / 26,370.81-39,543.48-9,738.72

Finding the Fourth Proportional to 26,370.81, 39,543.48 and 9,738.72

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Solution

The fourth proportional to 26,370.81, 39,543.48 and 9,738.72 is: 14,603.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,370.81 : 39,543.48 = 9,738.72 : x
  2. Step 2: Convert to fraction form
    26,370.81/39,543.48 = 9,738.72/x
  3. Step 3: Cross multiply
    26,370.81x = 39,543.48 × 9,738.72
  4. Step 4: Simplify right side
    26,370.81x = 385,102,879.55
  5. Step 5: Solve for x
    x = 385,102,879.55/26,370.81
  6. Step 6: Final answer
    x = 14,603.38

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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.