Home / 13,109.93-19,657.31-8,954.96

Finding the Fourth Proportional to 13,109.93, 19,657.31 and 8,954.96

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Solution

The fourth proportional to 13,109.93, 19,657.31 and 8,954.96 is: 13,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.93 : 19,657.31 = 8,954.96 : x
  2. Step 2: Convert to fraction form
    13,109.93/19,657.31 = 8,954.96/x
  3. Step 3: Cross multiply
    13,109.93x = 19,657.31 × 8,954.96
  4. Step 4: Simplify right side
    13,109.93x = 176,030,424.76
  5. Step 5: Solve for x
    x = 176,030,424.76/13,109.93
  6. Step 6: Final answer
    x = 13,427.26

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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.