Home / 18,548.35-25,631.65-14,063.78

Finding the Fourth Proportional to 18,548.35, 25,631.65 and 14,063.78

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Solution

The fourth proportional to 18,548.35, 25,631.65 and 14,063.78 is: 19,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.35 : 25,631.65 = 14,063.78 : x
  2. Step 2: Convert to fraction form
    18,548.35/25,631.65 = 14,063.78/x
  3. Step 3: Cross multiply
    18,548.35x = 25,631.65 × 14,063.78
  4. Step 4: Simplify right side
    18,548.35x = 360,477,915.56
  5. Step 5: Solve for x
    x = 360,477,915.56/18,548.35
  6. Step 6: Final answer
    x = 19,434.50

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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.