Home / 14,450.54-19,933.02-8,781.35

Finding the Fourth Proportional to 14,450.54, 19,933.02 and 8,781.35

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Solution

The fourth proportional to 14,450.54, 19,933.02 and 8,781.35 is: 12,112.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,450.54 : 19,933.02 = 8,781.35 : x
  2. Step 2: Convert to fraction form
    14,450.54/19,933.02 = 8,781.35/x
  3. Step 3: Cross multiply
    14,450.54x = 19,933.02 × 8,781.35
  4. Step 4: Simplify right side
    14,450.54x = 175,038,725.51
  5. Step 5: Solve for x
    x = 175,038,725.51/14,450.54
  6. Step 6: Final answer
    x = 12,112.96

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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.