Home / 16,981.64-25,468.81-10,653.47

Finding the Fourth Proportional to 16,981.64, 25,468.81 and 10,653.47

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Solution

The fourth proportional to 16,981.64, 25,468.81 and 10,653.47 is: 15,977.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.64 : 25,468.81 = 10,653.47 : x
  2. Step 2: Convert to fraction form
    16,981.64/25,468.81 = 10,653.47/x
  3. Step 3: Cross multiply
    16,981.64x = 25,468.81 × 10,653.47
  4. Step 4: Simplify right side
    16,981.64x = 271,331,022.66
  5. Step 5: Solve for x
    x = 271,331,022.66/16,981.64
  6. Step 6: Final answer
    x = 15,977.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.