Home / 14,652.93-20,216.07-8,278.59

Finding the Fourth Proportional to 14,652.93, 20,216.07 and 8,278.59

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Solution

The fourth proportional to 14,652.93, 20,216.07 and 8,278.59 is: 11,421.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.93 : 20,216.07 = 8,278.59 : x
  2. Step 2: Convert to fraction form
    14,652.93/20,216.07 = 8,278.59/x
  3. Step 3: Cross multiply
    14,652.93x = 20,216.07 × 8,278.59
  4. Step 4: Simplify right side
    14,652.93x = 167,360,554.94
  5. Step 5: Solve for x
    x = 167,360,554.94/14,652.93
  6. Step 6: Final answer
    x = 11,421.64

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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.