Home / 14,941.74-20,621.98-8,656.14

Finding the Fourth Proportional to 14,941.74, 20,621.98 and 8,656.14

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Solution

The fourth proportional to 14,941.74, 20,621.98 and 8,656.14 is: 11,946.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,941.74 : 20,621.98 = 8,656.14 : x
  2. Step 2: Convert to fraction form
    14,941.74/20,621.98 = 8,656.14/x
  3. Step 3: Cross multiply
    14,941.74x = 20,621.98 × 8,656.14
  4. Step 4: Simplify right side
    14,941.74x = 178,506,745.96
  5. Step 5: Solve for x
    x = 178,506,745.96/14,941.74
  6. Step 6: Final answer
    x = 11,946.85

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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.