Home / 26,428.20-39,642.36-6,706.76

Finding the Fourth Proportional to 26,428.20, 39,642.36 and 6,706.76

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Solution

The fourth proportional to 26,428.20, 39,642.36 and 6,706.76 is: 10,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,428.20 : 39,642.36 = 6,706.76 : x
  2. Step 2: Convert to fraction form
    26,428.20/39,642.36 = 6,706.76/x
  3. Step 3: Cross multiply
    26,428.20x = 39,642.36 × 6,706.76
  4. Step 4: Simplify right side
    26,428.20x = 265,871,794.35
  5. Step 5: Solve for x
    x = 265,871,794.35/26,428.20
  6. Step 6: Final answer
    x = 10,060.16

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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.