Home / 35,515.60-53,249.10-16,804.60

Finding the Fourth Proportional to 35,515.60, 53,249.10 and 16,804.60

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Solution

The fourth proportional to 35,515.60, 53,249.10 and 16,804.60 is: 25,195.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,515.60 : 53,249.10 = 16,804.60 : x
  2. Step 2: Convert to fraction form
    35,515.60/53,249.10 = 16,804.60/x
  3. Step 3: Cross multiply
    35,515.60x = 53,249.10 × 16,804.60
  4. Step 4: Simplify right side
    35,515.60x = 894,829,825.86
  5. Step 5: Solve for x
    x = 894,829,825.86/35,515.60
  6. Step 6: Final answer
    x = 25,195.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.