Home / 18,118.12-24,969.15-14,132.92

Finding the Fourth Proportional to 18,118.12, 24,969.15 and 14,132.92

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Solution

The fourth proportional to 18,118.12, 24,969.15 and 14,132.92 is: 19,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.12 : 24,969.15 = 14,132.92 : x
  2. Step 2: Convert to fraction form
    18,118.12/24,969.15 = 14,132.92/x
  3. Step 3: Cross multiply
    18,118.12x = 24,969.15 × 14,132.92
  4. Step 4: Simplify right side
    18,118.12x = 352,886,999.42
  5. Step 5: Solve for x
    x = 352,886,999.42/18,118.12
  6. Step 6: Final answer
    x = 19,477.02

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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.