Home / 20,795.16-31,189.40-5,802.67

Finding the Fourth Proportional to 20,795.16, 31,189.40 and 5,802.67

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Solution

The fourth proportional to 20,795.16, 31,189.40 and 5,802.67 is: 8,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795.16 : 31,189.40 = 5,802.67 : x
  2. Step 2: Convert to fraction form
    20,795.16/31,189.40 = 5,802.67/x
  3. Step 3: Cross multiply
    20,795.16x = 31,189.40 × 5,802.67
  4. Step 4: Simplify right side
    20,795.16x = 180,981,795.70
  5. Step 5: Solve for x
    x = 180,981,795.70/20,795.16
  6. Step 6: Final answer
    x = 8,703.07

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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.