Home / 19,363.32-26,719.65-11,811.87

Finding the Fourth Proportional to 19,363.32, 26,719.65 and 11,811.87

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Solution

The fourth proportional to 19,363.32, 26,719.65 and 11,811.87 is: 16,299.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.32 : 26,719.65 = 11,811.87 : x
  2. Step 2: Convert to fraction form
    19,363.32/26,719.65 = 11,811.87/x
  3. Step 3: Cross multiply
    19,363.32x = 26,719.65 × 11,811.87
  4. Step 4: Simplify right side
    19,363.32x = 315,609,032.25
  5. Step 5: Solve for x
    x = 315,609,032.25/19,363.32
  6. Step 6: Final answer
    x = 16,299.32

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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.