Home / 19,200.78-26,496.75-10,817.34

Finding the Fourth Proportional to 19,200.78, 26,496.75 and 10,817.34

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Solution

The fourth proportional to 19,200.78, 26,496.75 and 10,817.34 is: 14,927.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.78 : 26,496.75 = 10,817.34 : x
  2. Step 2: Convert to fraction form
    19,200.78/26,496.75 = 10,817.34/x
  3. Step 3: Cross multiply
    19,200.78x = 26,496.75 × 10,817.34
  4. Step 4: Simplify right side
    19,200.78x = 286,624,353.65
  5. Step 5: Solve for x
    x = 286,624,353.65/19,200.78
  6. Step 6: Final answer
    x = 14,927.75

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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.