Home / 19,355.96-26,712.78-10,973

Finding the Fourth Proportional to 19,355.96, 26,712.78 and 10,973

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Solution

The fourth proportional to 19,355.96, 26,712.78 and 10,973 is: 15,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.96 : 26,712.78 = 10,973 : x
  2. Step 2: Convert to fraction form
    19,355.96/26,712.78 = 10,973/x
  3. Step 3: Cross multiply
    19,355.96x = 26,712.78 × 10,973
  4. Step 4: Simplify right side
    19,355.96x = 293,119,334.94
  5. Step 5: Solve for x
    x = 293,119,334.94/19,355.96
  6. Step 6: Final answer
    x = 15,143.62

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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.