Home / 19,185.25-26,475.25-10,687.36

Finding the Fourth Proportional to 19,185.25, 26,475.25 and 10,687.36

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Solution

The fourth proportional to 19,185.25, 26,475.25 and 10,687.36 is: 14,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.25 : 26,475.25 = 10,687.36 : x
  2. Step 2: Convert to fraction form
    19,185.25/26,475.25 = 10,687.36/x
  3. Step 3: Cross multiply
    19,185.25x = 26,475.25 × 10,687.36
  4. Step 4: Simplify right side
    19,185.25x = 282,950,527.84
  5. Step 5: Solve for x
    x = 282,950,527.84/19,185.25
  6. Step 6: Final answer
    x = 14,748.34

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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.