Home / 35,857.11-53,783.59-13,672.72

Finding the Fourth Proportional to 35,857.11, 53,783.59 and 13,672.72

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Solution

The fourth proportional to 35,857.11, 53,783.59 and 13,672.72 is: 20,508.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.11 : 53,783.59 = 13,672.72 : x
  2. Step 2: Convert to fraction form
    35,857.11/53,783.59 = 13,672.72/x
  3. Step 3: Cross multiply
    35,857.11x = 53,783.59 × 13,672.72
  4. Step 4: Simplify right side
    35,857.11x = 735,367,966.66
  5. Step 5: Solve for x
    x = 735,367,966.66/35,857.11
  6. Step 6: Final answer
    x = 20,508.29

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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.