Home / 35,270.20-52,868.40-11,888.56

Finding the Fourth Proportional to 35,270.20, 52,868.40 and 11,888.56

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Solution

The fourth proportional to 35,270.20, 52,868.40 and 11,888.56 is: 17,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,270.20 : 52,868.40 = 11,888.56 : x
  2. Step 2: Convert to fraction form
    35,270.20/52,868.40 = 11,888.56/x
  3. Step 3: Cross multiply
    35,270.20x = 52,868.40 × 11,888.56
  4. Step 4: Simplify right side
    35,270.20x = 628,529,145.50
  5. Step 5: Solve for x
    x = 628,529,145.50/35,270.20
  6. Step 6: Final answer
    x = 17,820.40

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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.