Home / 18,829.36-25,984.53-10,445.86

Finding the Fourth Proportional to 18,829.36, 25,984.53 and 10,445.86

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Solution

The fourth proportional to 18,829.36, 25,984.53 and 10,445.86 is: 14,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.36 : 25,984.53 = 10,445.86 : x
  2. Step 2: Convert to fraction form
    18,829.36/25,984.53 = 10,445.86/x
  3. Step 3: Cross multiply
    18,829.36x = 25,984.53 × 10,445.86
  4. Step 4: Simplify right side
    18,829.36x = 271,430,580.39
  5. Step 5: Solve for x
    x = 271,430,580.39/18,829.36
  6. Step 6: Final answer
    x = 14,415.29

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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.