Home / 35,641.50-53,453.75-11,949.89

Finding the Fourth Proportional to 35,641.50, 53,453.75 and 11,949.89

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Solution

The fourth proportional to 35,641.50, 53,453.75 and 11,949.89 is: 17,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,641.50 : 53,453.75 = 11,949.89 : x
  2. Step 2: Convert to fraction form
    35,641.50/53,453.75 = 11,949.89/x
  3. Step 3: Cross multiply
    35,641.50x = 53,453.75 × 11,949.89
  4. Step 4: Simplify right side
    35,641.50x = 638,766,105.57
  5. Step 5: Solve for x
    x = 638,766,105.57/35,641.50
  6. Step 6: Final answer
    x = 17,921.98

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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.