Home / 13,795.29-19,038.83-8,493.21

Finding the Fourth Proportional to 13,795.29, 19,038.83 and 8,493.21

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Solution

The fourth proportional to 13,795.29, 19,038.83 and 8,493.21 is: 11,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.29 : 19,038.83 = 8,493.21 : x
  2. Step 2: Convert to fraction form
    13,795.29/19,038.83 = 8,493.21/x
  3. Step 3: Cross multiply
    13,795.29x = 19,038.83 × 8,493.21
  4. Step 4: Simplify right side
    13,795.29x = 161,700,738.88
  5. Step 5: Solve for x
    x = 161,700,738.88/13,795.29
  6. Step 6: Final answer
    x = 11,721.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.