Home / 19,356.84-28,998.63-11,435.67

Finding the Fourth Proportional to 19,356.84, 28,998.63 and 11,435.67

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Solution

The fourth proportional to 19,356.84, 28,998.63 and 11,435.67 is: 17,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.84 : 28,998.63 = 11,435.67 : x
  2. Step 2: Convert to fraction form
    19,356.84/28,998.63 = 11,435.67/x
  3. Step 3: Cross multiply
    19,356.84x = 28,998.63 × 11,435.67
  4. Step 4: Simplify right side
    19,356.84x = 331,618,763.13
  5. Step 5: Solve for x
    x = 331,618,763.13/19,356.84
  6. Step 6: Final answer
    x = 17,131.86

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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.