Home / 19,186.70-26,476.83-10,688.36

Finding the Fourth Proportional to 19,186.70, 26,476.83 and 10,688.36

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Solution

The fourth proportional to 19,186.70, 26,476.83 and 10,688.36 is: 14,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.70 : 26,476.83 = 10,688.36 : x
  2. Step 2: Convert to fraction form
    19,186.70/26,476.83 = 10,688.36/x
  3. Step 3: Cross multiply
    19,186.70x = 26,476.83 × 10,688.36
  4. Step 4: Simplify right side
    19,186.70x = 282,993,758.31
  5. Step 5: Solve for x
    x = 282,993,758.31/19,186.70
  6. Step 6: Final answer
    x = 14,749.48

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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.