Home / 18,255.69-25,184.84-10,698.18

Finding the Fourth Proportional to 18,255.69, 25,184.84 and 10,698.18

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Solution

The fourth proportional to 18,255.69, 25,184.84 and 10,698.18 is: 14,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.69 : 25,184.84 = 10,698.18 : x
  2. Step 2: Convert to fraction form
    18,255.69/25,184.84 = 10,698.18/x
  3. Step 3: Cross multiply
    18,255.69x = 25,184.84 × 10,698.18
  4. Step 4: Simplify right side
    18,255.69x = 269,432,041.30
  5. Step 5: Solve for x
    x = 269,432,041.30/18,255.69
  6. Step 6: Final answer
    x = 14,758.80

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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.