Home / 17,820.90-24,600.78-10,653.30

Finding the Fourth Proportional to 17,820.90, 24,600.78 and 10,653.30

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Solution

The fourth proportional to 17,820.90, 24,600.78 and 10,653.30 is: 14,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,820.90 : 24,600.78 = 10,653.30 : x
  2. Step 2: Convert to fraction form
    17,820.90/24,600.78 = 10,653.30/x
  3. Step 3: Cross multiply
    17,820.90x = 24,600.78 × 10,653.30
  4. Step 4: Simplify right side
    17,820.90x = 262,079,489.57
  5. Step 5: Solve for x
    x = 262,079,489.57/17,820.90
  6. Step 6: Final answer
    x = 14,706.30

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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.