Home / 15,069.95-20,796.75-8,264.62

Finding the Fourth Proportional to 15,069.95, 20,796.75 and 8,264.62

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Solution

The fourth proportional to 15,069.95, 20,796.75 and 8,264.62 is: 11,405.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.95 : 20,796.75 = 8,264.62 : x
  2. Step 2: Convert to fraction form
    15,069.95/20,796.75 = 8,264.62/x
  3. Step 3: Cross multiply
    15,069.95x = 20,796.75 × 8,264.62
  4. Step 4: Simplify right side
    15,069.95x = 171,877,090.68
  5. Step 5: Solve for x
    x = 171,877,090.68/15,069.95
  6. Step 6: Final answer
    x = 11,405.29

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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.