Home / 19,074.29-26,338.16-12,371.30

Finding the Fourth Proportional to 19,074.29, 26,338.16 and 12,371.30

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Solution

The fourth proportional to 19,074.29, 26,338.16 and 12,371.30 is: 17,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.29 : 26,338.16 = 12,371.30 : x
  2. Step 2: Convert to fraction form
    19,074.29/26,338.16 = 12,371.30/x
  3. Step 3: Cross multiply
    19,074.29x = 26,338.16 × 12,371.30
  4. Step 4: Simplify right side
    19,074.29x = 325,837,278.81
  5. Step 5: Solve for x
    x = 325,837,278.81/19,074.29
  6. Step 6: Final answer
    x = 17,082.54

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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.