Home / 14,512.36-20,009.96-13,436.34

Finding the Fourth Proportional to 14,512.36, 20,009.96 and 13,436.34

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Solution

The fourth proportional to 14,512.36, 20,009.96 and 13,436.34 is: 18,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.36 : 20,009.96 = 13,436.34 : x
  2. Step 2: Convert to fraction form
    14,512.36/20,009.96 = 13,436.34/x
  3. Step 3: Cross multiply
    14,512.36x = 20,009.96 × 13,436.34
  4. Step 4: Simplify right side
    14,512.36x = 268,860,625.95
  5. Step 5: Solve for x
    x = 268,860,625.95/14,512.36
  6. Step 6: Final answer
    x = 18,526.32

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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.