Home / 16,838.40-23,251.68-10,561.60

Finding the Fourth Proportional to 16,838.40, 23,251.68 and 10,561.60

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Solution

The fourth proportional to 16,838.40, 23,251.68 and 10,561.60 is: 14,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,838.40 : 23,251.68 = 10,561.60 : x
  2. Step 2: Convert to fraction form
    16,838.40/23,251.68 = 10,561.60/x
  3. Step 3: Cross multiply
    16,838.40x = 23,251.68 × 10,561.60
  4. Step 4: Simplify right side
    16,838.40x = 245,574,943.49
  5. Step 5: Solve for x
    x = 245,574,943.49/16,838.40
  6. Step 6: Final answer
    x = 14,584.22

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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.