Home / 18,829.09-25,984.18-10,445.59

Finding the Fourth Proportional to 18,829.09, 25,984.18 and 10,445.59

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Solution

The fourth proportional to 18,829.09, 25,984.18 and 10,445.59 is: 14,414.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.09 : 25,984.18 = 10,445.59 : x
  2. Step 2: Convert to fraction form
    18,829.09/25,984.18 = 10,445.59/x
  3. Step 3: Cross multiply
    18,829.09x = 25,984.18 × 10,445.59
  4. Step 4: Simplify right side
    18,829.09x = 271,420,090.77
  5. Step 5: Solve for x
    x = 271,420,090.77/18,829.09
  6. Step 6: Final answer
    x = 14,414.93

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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.