Home / 14,518.23-20,029.38-9,480.84

Finding the Fourth Proportional to 14,518.23, 20,029.38 and 9,480.84

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Solution

The fourth proportional to 14,518.23, 20,029.38 and 9,480.84 is: 13,079.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.23 : 20,029.38 = 9,480.84 : x
  2. Step 2: Convert to fraction form
    14,518.23/20,029.38 = 9,480.84/x
  3. Step 3: Cross multiply
    14,518.23x = 20,029.38 × 9,480.84
  4. Step 4: Simplify right side
    14,518.23x = 189,895,347.08
  5. Step 5: Solve for x
    x = 189,895,347.08/14,518.23
  6. Step 6: Final answer
    x = 13,079.79

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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.