Home / 19,389.54-29,084.45-10,619.67

Finding the Fourth Proportional to 19,389.54, 29,084.45 and 10,619.67

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Solution

The fourth proportional to 19,389.54, 29,084.45 and 10,619.67 is: 15,929.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.54 : 29,084.45 = 10,619.67 : x
  2. Step 2: Convert to fraction form
    19,389.54/29,084.45 = 10,619.67/x
  3. Step 3: Cross multiply
    19,389.54x = 29,084.45 × 10,619.67
  4. Step 4: Simplify right side
    19,389.54x = 308,867,208.03
  5. Step 5: Solve for x
    x = 308,867,208.03/19,389.54
  6. Step 6: Final answer
    x = 15,929.58

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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.