Home / 54,180.12-81,274.20-14,740.32

Finding the Fourth Proportional to 54,180.12, 81,274.20 and 14,740.32

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Solution

The fourth proportional to 54,180.12, 81,274.20 and 14,740.32 is: 22,111.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.12 : 81,274.20 = 14,740.32 : x
  2. Step 2: Convert to fraction form
    54,180.12/81,274.20 = 14,740.32/x
  3. Step 3: Cross multiply
    54,180.12x = 81,274.20 × 14,740.32
  4. Step 4: Simplify right side
    54,180.12x = 1,198,007,715.74
  5. Step 5: Solve for x
    x = 1,198,007,715.74/54,180.12
  6. Step 6: Final answer
    x = 22,111.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.