Home / 23,985.09-33,100.34-13,376.79

Finding the Fourth Proportional to 23,985.09, 33,100.34 and 13,376.79

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Solution

The fourth proportional to 23,985.09, 33,100.34 and 13,376.79 is: 18,460.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,985.09 : 33,100.34 = 13,376.79 : x
  2. Step 2: Convert to fraction form
    23,985.09/33,100.34 = 13,376.79/x
  3. Step 3: Cross multiply
    23,985.09x = 33,100.34 × 13,376.79
  4. Step 4: Simplify right side
    23,985.09x = 442,776,230.22
  5. Step 5: Solve for x
    x = 442,776,230.22/23,985.09
  6. Step 6: Final answer
    x = 18,460.48

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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.