Home / 14,926.12-20,598.06-8,638.60

Finding the Fourth Proportional to 14,926.12, 20,598.06 and 8,638.60

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Solution

The fourth proportional to 14,926.12, 20,598.06 and 8,638.60 is: 11,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.12 : 20,598.06 = 8,638.60 : x
  2. Step 2: Convert to fraction form
    14,926.12/20,598.06 = 8,638.60/x
  3. Step 3: Cross multiply
    14,926.12x = 20,598.06 × 8,638.60
  4. Step 4: Simplify right side
    14,926.12x = 177,938,401.12
  5. Step 5: Solve for x
    x = 177,938,401.12/14,926.12
  6. Step 6: Final answer
    x = 11,921.28

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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.