Home / 19,195.28-26,491.11-10,813.40

Finding the Fourth Proportional to 19,195.28, 26,491.11 and 10,813.40

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Solution

The fourth proportional to 19,195.28, 26,491.11 and 10,813.40 is: 14,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.28 : 26,491.11 = 10,813.40 : x
  2. Step 2: Convert to fraction form
    19,195.28/26,491.11 = 10,813.40/x
  3. Step 3: Cross multiply
    19,195.28x = 26,491.11 × 10,813.40
  4. Step 4: Simplify right side
    19,195.28x = 286,458,968.87
  5. Step 5: Solve for x
    x = 286,458,968.87/19,195.28
  6. Step 6: Final answer
    x = 14,923.41

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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.