Home / 14,090.63-21,139.18-4,856.63

Finding the Fourth Proportional to 14,090.63, 21,139.18 and 4,856.63

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Solution

The fourth proportional to 14,090.63, 21,139.18 and 4,856.63 is: 7,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090.63 : 21,139.18 = 4,856.63 : x
  2. Step 2: Convert to fraction form
    14,090.63/21,139.18 = 4,856.63/x
  3. Step 3: Cross multiply
    14,090.63x = 21,139.18 × 4,856.63
  4. Step 4: Simplify right side
    14,090.63x = 102,665,057.93
  5. Step 5: Solve for x
    x = 102,665,057.93/14,090.63
  6. Step 6: Final answer
    x = 7,286.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.