Home / 19,078.99-26,328.08-10,581.45

Finding the Fourth Proportional to 19,078.99, 26,328.08 and 10,581.45

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Solution

The fourth proportional to 19,078.99, 26,328.08 and 10,581.45 is: 14,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.99 : 26,328.08 = 10,581.45 : x
  2. Step 2: Convert to fraction form
    19,078.99/26,328.08 = 10,581.45/x
  3. Step 3: Cross multiply
    19,078.99x = 26,328.08 × 10,581.45
  4. Step 4: Simplify right side
    19,078.99x = 278,589,288.57
  5. Step 5: Solve for x
    x = 278,589,288.57/19,078.99
  6. Step 6: Final answer
    x = 14,601.89

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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.