Home / 19,395.59-29,091.74-7,705.67

Finding the Fourth Proportional to 19,395.59, 29,091.74 and 7,705.67

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Solution

The fourth proportional to 19,395.59, 29,091.74 and 7,705.67 is: 11,557.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.59 : 29,091.74 = 7,705.67 : x
  2. Step 2: Convert to fraction form
    19,395.59/29,091.74 = 7,705.67/x
  3. Step 3: Cross multiply
    19,395.59x = 29,091.74 × 7,705.67
  4. Step 4: Simplify right side
    19,395.59x = 224,171,164.18
  5. Step 5: Solve for x
    x = 224,171,164.18/19,395.59
  6. Step 6: Final answer
    x = 11,557.84

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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.