Home / 19,263.79-26,582.74-10,879.75

Finding the Fourth Proportional to 19,263.79, 26,582.74 and 10,879.75

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Solution

The fourth proportional to 19,263.79, 26,582.74 and 10,879.75 is: 15,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.79 : 26,582.74 = 10,879.75 : x
  2. Step 2: Convert to fraction form
    19,263.79/26,582.74 = 10,879.75/x
  3. Step 3: Cross multiply
    19,263.79x = 26,582.74 × 10,879.75
  4. Step 4: Simplify right side
    19,263.79x = 289,213,565.52
  5. Step 5: Solve for x
    x = 289,213,565.52/19,263.79
  6. Step 6: Final answer
    x = 15,013.33

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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.