Home / 18,467.94-25,482.38-10,915.50

Finding the Fourth Proportional to 18,467.94, 25,482.38 and 10,915.50

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Solution

The fourth proportional to 18,467.94, 25,482.38 and 10,915.50 is: 15,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.94 : 25,482.38 = 10,915.50 : x
  2. Step 2: Convert to fraction form
    18,467.94/25,482.38 = 10,915.50/x
  3. Step 3: Cross multiply
    18,467.94x = 25,482.38 × 10,915.50
  4. Step 4: Simplify right side
    18,467.94x = 278,152,941.66
  5. Step 5: Solve for x
    x = 278,152,941.66/18,467.94
  6. Step 6: Final answer
    x = 15,061.39

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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.