Home / 19,078.79-26,331.41-10,582.80

Finding the Fourth Proportional to 19,078.79, 26,331.41 and 10,582.80

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Solution

The fourth proportional to 19,078.79, 26,331.41 and 10,582.80 is: 14,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,078.79 : 26,331.41 = 10,582.80 : x
  2. Step 2: Convert to fraction form
    19,078.79/26,331.41 = 10,582.80/x
  3. Step 3: Cross multiply
    19,078.79x = 26,331.41 × 10,582.80
  4. Step 4: Simplify right side
    19,078.79x = 278,659,973.46
  5. Step 5: Solve for x
    x = 278,659,973.46/19,078.79
  6. Step 6: Final answer
    x = 14,605.75

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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.