Home / 26,170.76-39,258.06-7,703.56

Finding the Fourth Proportional to 26,170.76, 39,258.06 and 7,703.56

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Solution

The fourth proportional to 26,170.76, 39,258.06 and 7,703.56 is: 11,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.76 : 39,258.06 = 7,703.56 : x
  2. Step 2: Convert to fraction form
    26,170.76/39,258.06 = 7,703.56/x
  3. Step 3: Cross multiply
    26,170.76x = 39,258.06 × 7,703.56
  4. Step 4: Simplify right side
    26,170.76x = 302,426,820.69
  5. Step 5: Solve for x
    x = 302,426,820.69/26,170.76
  6. Step 6: Final answer
    x = 11,555.91

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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.