Home / 18,698.28-25,803.36-10,740.84

Finding the Fourth Proportional to 18,698.28, 25,803.36 and 10,740.84

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Solution

The fourth proportional to 18,698.28, 25,803.36 and 10,740.84 is: 14,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,698.28 : 25,803.36 = 10,740.84 : x
  2. Step 2: Convert to fraction form
    18,698.28/25,803.36 = 10,740.84/x
  3. Step 3: Cross multiply
    18,698.28x = 25,803.36 × 10,740.84
  4. Step 4: Simplify right side
    18,698.28x = 277,149,761.22
  5. Step 5: Solve for x
    x = 277,149,761.22/18,698.28
  6. Step 6: Final answer
    x = 14,822.21

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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.