Home / 18,336.15-25,326.72-14,138.16

Finding the Fourth Proportional to 18,336.15, 25,326.72 and 14,138.16

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Solution

The fourth proportional to 18,336.15, 25,326.72 and 14,138.16 is: 19,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.15 : 25,326.72 = 14,138.16 : x
  2. Step 2: Convert to fraction form
    18,336.15/25,326.72 = 14,138.16/x
  3. Step 3: Cross multiply
    18,336.15x = 25,326.72 × 14,138.16
  4. Step 4: Simplify right side
    18,336.15x = 358,073,219.64
  5. Step 5: Solve for x
    x = 358,073,219.64/18,336.15
  6. Step 6: Final answer
    x = 19,528.27

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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.