Home / 20,362.55-30,525.01-14,125.48

Finding the Fourth Proportional to 20,362.55, 30,525.01 and 14,125.48

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Solution

The fourth proportional to 20,362.55, 30,525.01 and 14,125.48 is: 21,175.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,362.55 : 30,525.01 = 14,125.48 : x
  2. Step 2: Convert to fraction form
    20,362.55/30,525.01 = 14,125.48/x
  3. Step 3: Cross multiply
    20,362.55x = 30,525.01 × 14,125.48
  4. Step 4: Simplify right side
    20,362.55x = 431,180,306.63
  5. Step 5: Solve for x
    x = 431,180,306.63/20,362.55
  6. Step 6: Final answer
    x = 21,175.17

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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.