Home / 53,226.18-79,833.33-13,786.74

Finding the Fourth Proportional to 53,226.18, 79,833.33 and 13,786.74

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Solution

The fourth proportional to 53,226.18, 79,833.33 and 13,786.74 is: 20,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,226.18 : 79,833.33 = 13,786.74 : x
  2. Step 2: Convert to fraction form
    53,226.18/79,833.33 = 13,786.74/x
  3. Step 3: Cross multiply
    53,226.18x = 79,833.33 × 13,786.74
  4. Step 4: Simplify right side
    53,226.18x = 1,100,641,364.04
  5. Step 5: Solve for x
    x = 1,100,641,364.04/53,226.18
  6. Step 6: Final answer
    x = 20,678.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.