Home / 18,522.92-25,556.40-10,965.93

Finding the Fourth Proportional to 18,522.92, 25,556.40 and 10,965.93

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Solution

The fourth proportional to 18,522.92, 25,556.40 and 10,965.93 is: 15,129.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.92 : 25,556.40 = 10,965.93 : x
  2. Step 2: Convert to fraction form
    18,522.92/25,556.40 = 10,965.93/x
  3. Step 3: Cross multiply
    18,522.92x = 25,556.40 × 10,965.93
  4. Step 4: Simplify right side
    18,522.92x = 280,249,693.45
  5. Step 5: Solve for x
    x = 280,249,693.45/18,522.92
  6. Step 6: Final answer
    x = 15,129.89

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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.