Home / 16,864.64-23,272.59-9,310.81

Finding the Fourth Proportional to 16,864.64, 23,272.59 and 9,310.81

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Solution

The fourth proportional to 16,864.64, 23,272.59 and 9,310.81 is: 12,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.64 : 23,272.59 = 9,310.81 : x
  2. Step 2: Convert to fraction form
    16,864.64/23,272.59 = 9,310.81/x
  3. Step 3: Cross multiply
    16,864.64x = 23,272.59 × 9,310.81
  4. Step 4: Simplify right side
    16,864.64x = 216,686,500.78
  5. Step 5: Solve for x
    x = 216,686,500.78/16,864.64
  6. Step 6: Final answer
    x = 12,848.57

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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.