Home / 14,454.40-19,944.60-8,166.64

Finding the Fourth Proportional to 14,454.40, 19,944.60 and 8,166.64

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Solution

The fourth proportional to 14,454.40, 19,944.60 and 8,166.64 is: 11,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.40 : 19,944.60 = 8,166.64 : x
  2. Step 2: Convert to fraction form
    14,454.40/19,944.60 = 8,166.64/x
  3. Step 3: Cross multiply
    14,454.40x = 19,944.60 × 8,166.64
  4. Step 4: Simplify right side
    14,454.40x = 162,880,368.14
  5. Step 5: Solve for x
    x = 162,880,368.14/14,454.40
  6. Step 6: Final answer
    x = 11,268.57

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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.