Home / 15,900.21-23,887.53-15,002.55

Finding the Fourth Proportional to 15,900.21, 23,887.53 and 15,002.55

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Solution

The fourth proportional to 15,900.21, 23,887.53 and 15,002.55 is: 22,538.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.21 : 23,887.53 = 15,002.55 : x
  2. Step 2: Convert to fraction form
    15,900.21/23,887.53 = 15,002.55/x
  3. Step 3: Cross multiply
    15,900.21x = 23,887.53 × 15,002.55
  4. Step 4: Simplify right side
    15,900.21x = 358,373,863.20
  5. Step 5: Solve for x
    x = 358,373,863.20/15,900.21
  6. Step 6: Final answer
    x = 22,538.94

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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.