Home / 16,425.81-22,668.37-9,258.68

Finding the Fourth Proportional to 16,425.81, 22,668.37 and 9,258.68

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Solution

The fourth proportional to 16,425.81, 22,668.37 and 9,258.68 is: 12,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.81 : 22,668.37 = 9,258.68 : x
  2. Step 2: Convert to fraction form
    16,425.81/22,668.37 = 9,258.68/x
  3. Step 3: Cross multiply
    16,425.81x = 22,668.37 × 9,258.68
  4. Step 4: Simplify right side
    16,425.81x = 209,879,217.48
  5. Step 5: Solve for x
    x = 209,879,217.48/16,425.81
  6. Step 6: Final answer
    x = 12,777.40

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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.