Home / 15,900.10-21,932.31-10,522.60

Finding the Fourth Proportional to 15,900.10, 21,932.31 and 10,522.60

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Solution

The fourth proportional to 15,900.10, 21,932.31 and 10,522.60 is: 14,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.10 : 21,932.31 = 10,522.60 : x
  2. Step 2: Convert to fraction form
    15,900.10/21,932.31 = 10,522.60/x
  3. Step 3: Cross multiply
    15,900.10x = 21,932.31 × 10,522.60
  4. Step 4: Simplify right side
    15,900.10x = 230,784,925.21
  5. Step 5: Solve for x
    x = 230,784,925.21/15,900.10
  6. Step 6: Final answer
    x = 14,514.68

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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.