Home / 18,253.35-25,188.21-10,698.66

Finding the Fourth Proportional to 18,253.35, 25,188.21 and 10,698.66

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Solution

The fourth proportional to 18,253.35, 25,188.21 and 10,698.66 is: 14,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.35 : 25,188.21 = 10,698.66 : x
  2. Step 2: Convert to fraction form
    18,253.35/25,188.21 = 10,698.66/x
  3. Step 3: Cross multiply
    18,253.35x = 25,188.21 × 10,698.66
  4. Step 4: Simplify right side
    18,253.35x = 269,480,094.80
  5. Step 5: Solve for x
    x = 269,480,094.80/18,253.35
  6. Step 6: Final answer
    x = 14,763.32

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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.