Home / 18,444.63-25,455.27-10,486.84

Finding the Fourth Proportional to 18,444.63, 25,455.27 and 10,486.84

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Solution

The fourth proportional to 18,444.63, 25,455.27 and 10,486.84 is: 14,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.63 : 25,455.27 = 10,486.84 : x
  2. Step 2: Convert to fraction form
    18,444.63/25,455.27 = 10,486.84/x
  3. Step 3: Cross multiply
    18,444.63x = 25,455.27 × 10,486.84
  4. Step 4: Simplify right side
    18,444.63x = 266,945,343.65
  5. Step 5: Solve for x
    x = 266,945,343.65/18,444.63
  6. Step 6: Final answer
    x = 14,472.79

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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.