Home / 35,419.20-53,104.14-15,687.06

Finding the Fourth Proportional to 35,419.20, 53,104.14 and 15,687.06

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Solution

The fourth proportional to 35,419.20, 53,104.14 and 15,687.06 is: 23,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.20 : 53,104.14 = 15,687.06 : x
  2. Step 2: Convert to fraction form
    35,419.20/53,104.14 = 15,687.06/x
  3. Step 3: Cross multiply
    35,419.20x = 53,104.14 × 15,687.06
  4. Step 4: Simplify right side
    35,419.20x = 833,047,830.43
  5. Step 5: Solve for x
    x = 833,047,830.43/35,419.20
  6. Step 6: Final answer
    x = 23,519.67

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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.