Home / 35,858.10-53,787.15-13,672.20

Finding the Fourth Proportional to 35,858.10, 53,787.15 and 13,672.20

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Solution

The fourth proportional to 35,858.10, 53,787.15 and 13,672.20 is: 20,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,858.10 : 53,787.15 = 13,672.20 : x
  2. Step 2: Convert to fraction form
    35,858.10/53,787.15 = 13,672.20/x
  3. Step 3: Cross multiply
    35,858.10x = 53,787.15 × 13,672.20
  4. Step 4: Simplify right side
    35,858.10x = 735,388,672.23
  5. Step 5: Solve for x
    x = 735,388,672.23/35,858.10
  6. Step 6: Final answer
    x = 20,508.30

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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.