Home / 29,382.48-40,532.81-18,760.95

Finding the Fourth Proportional to 29,382.48, 40,532.81 and 18,760.95

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Solution

The fourth proportional to 29,382.48, 40,532.81 and 18,760.95 is: 25,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,382.48 : 40,532.81 = 18,760.95 : x
  2. Step 2: Convert to fraction form
    29,382.48/40,532.81 = 18,760.95/x
  3. Step 3: Cross multiply
    29,382.48x = 40,532.81 × 18,760.95
  4. Step 4: Simplify right side
    29,382.48x = 760,433,927.96
  5. Step 5: Solve for x
    x = 760,433,927.96/29,382.48
  6. Step 6: Final answer
    x = 25,880.52

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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.