Home / 35,620.20-53,430.30-11,927.70

Finding the Fourth Proportional to 35,620.20, 53,430.30 and 11,927.70

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Solution

The fourth proportional to 35,620.20, 53,430.30 and 11,927.70 is: 17,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,620.20 : 53,430.30 = 11,927.70 : x
  2. Step 2: Convert to fraction form
    35,620.20/53,430.30 = 11,927.70/x
  3. Step 3: Cross multiply
    35,620.20x = 53,430.30 × 11,927.70
  4. Step 4: Simplify right side
    35,620.20x = 637,300,589.31
  5. Step 5: Solve for x
    x = 637,300,589.31/35,620.20
  6. Step 6: Final answer
    x = 17,891.55

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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.