Home / 16,880.61-23,293.89-9,807.49

Finding the Fourth Proportional to 16,880.61, 23,293.89 and 9,807.49

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Solution

The fourth proportional to 16,880.61, 23,293.89 and 9,807.49 is: 13,533.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,880.61 : 23,293.89 = 9,807.49 : x
  2. Step 2: Convert to fraction form
    16,880.61/23,293.89 = 9,807.49/x
  3. Step 3: Cross multiply
    16,880.61x = 23,293.89 × 9,807.49
  4. Step 4: Simplify right side
    16,880.61x = 228,454,593.24
  5. Step 5: Solve for x
    x = 228,454,593.24/16,880.61
  6. Step 6: Final answer
    x = 13,533.55

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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.