Home / 14,218.48-21,330.24-6,836.32

Finding the Fourth Proportional to 14,218.48, 21,330.24 and 6,836.32

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Solution

The fourth proportional to 14,218.48, 21,330.24 and 6,836.32 is: 10,255.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.48 : 21,330.24 = 6,836.32 : x
  2. Step 2: Convert to fraction form
    14,218.48/21,330.24 = 6,836.32/x
  3. Step 3: Cross multiply
    14,218.48x = 21,330.24 × 6,836.32
  4. Step 4: Simplify right side
    14,218.48x = 145,820,346.32
  5. Step 5: Solve for x
    x = 145,820,346.32/14,218.48
  6. Step 6: Final answer
    x = 10,255.69

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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.