Home / 18,346.65-25,328.88-12,077.25

Finding the Fourth Proportional to 18,346.65, 25,328.88 and 12,077.25

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Solution

The fourth proportional to 18,346.65, 25,328.88 and 12,077.25 is: 16,673.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.65 : 25,328.88 = 12,077.25 : x
  2. Step 2: Convert to fraction form
    18,346.65/25,328.88 = 12,077.25/x
  3. Step 3: Cross multiply
    18,346.65x = 25,328.88 × 12,077.25
  4. Step 4: Simplify right side
    18,346.65x = 305,903,229.50
  5. Step 5: Solve for x
    x = 305,903,229.50/18,346.65
  6. Step 6: Final answer
    x = 16,673.52

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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.