Home / 16,857.79-23,263.71-9,304.58

Finding the Fourth Proportional to 16,857.79, 23,263.71 and 9,304.58

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Solution

The fourth proportional to 16,857.79, 23,263.71 and 9,304.58 is: 12,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.79 : 23,263.71 = 9,304.58 : x
  2. Step 2: Convert to fraction form
    16,857.79/23,263.71 = 9,304.58/x
  3. Step 3: Cross multiply
    16,857.79x = 23,263.71 × 9,304.58
  4. Step 4: Simplify right side
    16,857.79x = 216,459,050.79
  5. Step 5: Solve for x
    x = 216,459,050.79/16,857.79
  6. Step 6: Final answer
    x = 12,840.30

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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.