Home / 23,985.55-33,100.09-13,230.18

Finding the Fourth Proportional to 23,985.55, 33,100.09 and 13,230.18

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Solution

The fourth proportional to 23,985.55, 33,100.09 and 13,230.18 is: 18,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.55 : 33,100.09 = 13,230.18 : x
  2. Step 2: Convert to fraction form
    23,985.55/33,100.09 = 13,230.18/x
  3. Step 3: Cross multiply
    23,985.55x = 33,100.09 × 13,230.18
  4. Step 4: Simplify right side
    23,985.55x = 437,920,264.54
  5. Step 5: Solve for x
    x = 437,920,264.54/23,985.55
  6. Step 6: Final answer
    x = 18,257.67

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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.