Home / 17,133.20-25,699.80-11,884.40

Finding the Fourth Proportional to 17,133.20, 25,699.80 and 11,884.40

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Solution

The fourth proportional to 17,133.20, 25,699.80 and 11,884.40 is: 17,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.20 : 25,699.80 = 11,884.40 : x
  2. Step 2: Convert to fraction form
    17,133.20/25,699.80 = 11,884.40/x
  3. Step 3: Cross multiply
    17,133.20x = 25,699.80 × 11,884.40
  4. Step 4: Simplify right side
    17,133.20x = 305,426,703.12
  5. Step 5: Solve for x
    x = 305,426,703.12/17,133.20
  6. Step 6: Final answer
    x = 17,826.60

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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.