Home / 24,376.71-33,639.47-13,621.77

Finding the Fourth Proportional to 24,376.71, 33,639.47 and 13,621.77

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Solution

The fourth proportional to 24,376.71, 33,639.47 and 13,621.77 is: 18,797.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,376.71 : 33,639.47 = 13,621.77 : x
  2. Step 2: Convert to fraction form
    24,376.71/33,639.47 = 13,621.77/x
  3. Step 3: Cross multiply
    24,376.71x = 33,639.47 × 13,621.77
  4. Step 4: Simplify right side
    24,376.71x = 458,229,055.15
  5. Step 5: Solve for x
    x = 458,229,055.15/24,376.71
  6. Step 6: Final answer
    x = 18,797.82

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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.