Home / 16,639.71-22,957.29-10,977.27

Finding the Fourth Proportional to 16,639.71, 22,957.29 and 10,977.27

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Solution

The fourth proportional to 16,639.71, 22,957.29 and 10,977.27 is: 15,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,639.71 : 22,957.29 = 10,977.27 : x
  2. Step 2: Convert to fraction form
    16,639.71/22,957.29 = 10,977.27/x
  3. Step 3: Cross multiply
    16,639.71x = 22,957.29 × 10,977.27
  4. Step 4: Simplify right side
    16,639.71x = 252,008,370.80
  5. Step 5: Solve for x
    x = 252,008,370.80/16,639.71
  6. Step 6: Final answer
    x = 15,145.00

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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.