Home / 15,854.40-23,771.16-7,522.56

Finding the Fourth Proportional to 15,854.40, 23,771.16 and 7,522.56

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Solution

The fourth proportional to 15,854.40, 23,771.16 and 7,522.56 is: 11,278.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854.40 : 23,771.16 = 7,522.56 : x
  2. Step 2: Convert to fraction form
    15,854.40/23,771.16 = 7,522.56/x
  3. Step 3: Cross multiply
    15,854.40x = 23,771.16 × 7,522.56
  4. Step 4: Simplify right side
    15,854.40x = 178,819,977.37
  5. Step 5: Solve for x
    x = 178,819,977.37/15,854.40
  6. Step 6: Final answer
    x = 11,278.89

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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.