Home / 35,623.20-53,434.80-17,191.20

Finding the Fourth Proportional to 35,623.20, 53,434.80 and 17,191.20

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Solution

The fourth proportional to 35,623.20, 53,434.80 and 17,191.20 is: 25,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.20 : 53,434.80 = 17,191.20 : x
  2. Step 2: Convert to fraction form
    35,623.20/53,434.80 = 17,191.20/x
  3. Step 3: Cross multiply
    35,623.20x = 53,434.80 × 17,191.20
  4. Step 4: Simplify right side
    35,623.20x = 918,608,333.76
  5. Step 5: Solve for x
    x = 918,608,333.76/35,623.20
  6. Step 6: Final answer
    x = 25,786.80

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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.