Home / 35,621.29-53,434.70-11,928.92

Finding the Fourth Proportional to 35,621.29, 53,434.70 and 11,928.92

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Solution

The fourth proportional to 35,621.29, 53,434.70 and 11,928.92 is: 17,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,621.29 : 53,434.70 = 11,928.92 : x
  2. Step 2: Convert to fraction form
    35,621.29/53,434.70 = 11,928.92/x
  3. Step 3: Cross multiply
    35,621.29x = 53,434.70 × 11,928.92
  4. Step 4: Simplify right side
    35,621.29x = 637,418,201.88
  5. Step 5: Solve for x
    x = 637,418,201.88/35,621.29
  6. Step 6: Final answer
    x = 17,894.31

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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.