Home / 14,921.64-20,583.27-8,949.84

Finding the Fourth Proportional to 14,921.64, 20,583.27 and 8,949.84

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Solution

The fourth proportional to 14,921.64, 20,583.27 and 8,949.84 is: 12,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,921.64 : 20,583.27 = 8,949.84 : x
  2. Step 2: Convert to fraction form
    14,921.64/20,583.27 = 8,949.84/x
  3. Step 3: Cross multiply
    14,921.64x = 20,583.27 × 8,949.84
  4. Step 4: Simplify right side
    14,921.64x = 184,216,973.18
  5. Step 5: Solve for x
    x = 184,216,973.18/14,921.64
  6. Step 6: Final answer
    x = 12,345.63

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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.