Home / 18,237.69-25,188.77-12,258.98

Finding the Fourth Proportional to 18,237.69, 25,188.77 and 12,258.98

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Solution

The fourth proportional to 18,237.69, 25,188.77 and 12,258.98 is: 16,931.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,237.69 : 25,188.77 = 12,258.98 : x
  2. Step 2: Convert to fraction form
    18,237.69/25,188.77 = 12,258.98/x
  3. Step 3: Cross multiply
    18,237.69x = 25,188.77 × 12,258.98
  4. Step 4: Simplify right side
    18,237.69x = 308,788,627.65
  5. Step 5: Solve for x
    x = 308,788,627.65/18,237.69
  6. Step 6: Final answer
    x = 16,931.35

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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.