Home / 15,416.58-21,269.68-10,036.56

Finding the Fourth Proportional to 15,416.58, 21,269.68 and 10,036.56

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Solution

The fourth proportional to 15,416.58, 21,269.68 and 10,036.56 is: 13,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,416.58 : 21,269.68 = 10,036.56 : x
  2. Step 2: Convert to fraction form
    15,416.58/21,269.68 = 10,036.56/x
  3. Step 3: Cross multiply
    15,416.58x = 21,269.68 × 10,036.56
  4. Step 4: Simplify right side
    15,416.58x = 213,474,313.15
  5. Step 5: Solve for x
    x = 213,474,313.15/15,416.58
  6. Step 6: Final answer
    x = 13,847.06

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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.