Home / 26,381.97-36,405.45-14,445.45

Finding the Fourth Proportional to 26,381.97, 36,405.45 and 14,445.45

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Solution

The fourth proportional to 26,381.97, 36,405.45 and 14,445.45 is: 19,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.97 : 36,405.45 = 14,445.45 : x
  2. Step 2: Convert to fraction form
    26,381.97/36,405.45 = 14,445.45/x
  3. Step 3: Cross multiply
    26,381.97x = 36,405.45 × 14,445.45
  4. Step 4: Simplify right side
    26,381.97x = 525,893,107.70
  5. Step 5: Solve for x
    x = 525,893,107.70/26,381.97
  6. Step 6: Final answer
    x = 19,933.81

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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.