Home / 14,968.90-20,656.38-8,591.06

Finding the Fourth Proportional to 14,968.90, 20,656.38 and 8,591.06

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Solution

The fourth proportional to 14,968.90, 20,656.38 and 8,591.06 is: 11,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.90 : 20,656.38 = 8,591.06 : x
  2. Step 2: Convert to fraction form
    14,968.90/20,656.38 = 8,591.06/x
  3. Step 3: Cross multiply
    14,968.90x = 20,656.38 × 8,591.06
  4. Step 4: Simplify right side
    14,968.90x = 177,460,283.82
  5. Step 5: Solve for x
    x = 177,460,283.82/14,968.90
  6. Step 6: Final answer
    x = 11,855.26

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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.