Home / 13,416.84-18,514.31-7,366.14

Finding the Fourth Proportional to 13,416.84, 18,514.31 and 7,366.14

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Solution

The fourth proportional to 13,416.84, 18,514.31 and 7,366.14 is: 10,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416.84 : 18,514.31 = 7,366.14 : x
  2. Step 2: Convert to fraction form
    13,416.84/18,514.31 = 7,366.14/x
  3. Step 3: Cross multiply
    13,416.84x = 18,514.31 × 7,366.14
  4. Step 4: Simplify right side
    13,416.84x = 136,378,962.63
  5. Step 5: Solve for x
    x = 136,378,962.63/13,416.84
  6. Step 6: Final answer
    x = 10,164.76

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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.