Home / 25,486.90-35,172.40-14,157.46

Finding the Fourth Proportional to 25,486.90, 35,172.40 and 14,157.46

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Solution

The fourth proportional to 25,486.90, 35,172.40 and 14,157.46 is: 19,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.90 : 35,172.40 = 14,157.46 : x
  2. Step 2: Convert to fraction form
    25,486.90/35,172.40 = 14,157.46/x
  3. Step 3: Cross multiply
    25,486.90x = 35,172.40 × 14,157.46
  4. Step 4: Simplify right side
    25,486.90x = 497,951,846.10
  5. Step 5: Solve for x
    x = 497,951,846.10/25,486.90
  6. Step 6: Final answer
    x = 19,537.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.