Home / 23,985.85-33,100.40-13,375.48

Finding the Fourth Proportional to 23,985.85, 33,100.40 and 13,375.48

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Solution

The fourth proportional to 23,985.85, 33,100.40 and 13,375.48 is: 18,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.85 : 33,100.40 = 13,375.48 : x
  2. Step 2: Convert to fraction form
    23,985.85/33,100.40 = 13,375.48/x
  3. Step 3: Cross multiply
    23,985.85x = 33,100.40 × 13,375.48
  4. Step 4: Simplify right side
    23,985.85x = 442,733,675.71
  5. Step 5: Solve for x
    x = 442,733,675.71/23,985.85
  6. Step 6: Final answer
    x = 18,458.12

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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.