Home / 53,166.50-79,765.35-15,727.56

Finding the Fourth Proportional to 53,166.50, 79,765.35 and 15,727.56

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Solution

The fourth proportional to 53,166.50, 79,765.35 and 15,727.56 is: 23,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,166.50 : 79,765.35 = 15,727.56 : x
  2. Step 2: Convert to fraction form
    53,166.50/79,765.35 = 15,727.56/x
  3. Step 3: Cross multiply
    53,166.50x = 79,765.35 × 15,727.56
  4. Step 4: Simplify right side
    53,166.50x = 1,254,514,328.05
  5. Step 5: Solve for x
    x = 1,254,514,328.05/53,166.50
  6. Step 6: Final answer
    x = 23,595.95

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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.