Home / 18,567.03-25,622.16-10,500.55

Finding the Fourth Proportional to 18,567.03, 25,622.16 and 10,500.55

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Solution

The fourth proportional to 18,567.03, 25,622.16 and 10,500.55 is: 14,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.03 : 25,622.16 = 10,500.55 : x
  2. Step 2: Convert to fraction form
    18,567.03/25,622.16 = 10,500.55/x
  3. Step 3: Cross multiply
    18,567.03x = 25,622.16 × 10,500.55
  4. Step 4: Simplify right side
    18,567.03x = 269,046,668.76
  5. Step 5: Solve for x
    x = 269,046,668.76/18,567.03
  6. Step 6: Final answer
    x = 14,490.56

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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.