Home / 18,588.49-25,651.89-10,630.64

Finding the Fourth Proportional to 18,588.49, 25,651.89 and 10,630.64

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Solution

The fourth proportional to 18,588.49, 25,651.89 and 10,630.64 is: 14,670.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,588.49 : 25,651.89 = 10,630.64 : x
  2. Step 2: Convert to fraction form
    18,588.49/25,651.89 = 10,630.64/x
  3. Step 3: Cross multiply
    18,588.49x = 25,651.89 × 10,630.64
  4. Step 4: Simplify right side
    18,588.49x = 272,696,072.04
  5. Step 5: Solve for x
    x = 272,696,072.04/18,588.49
  6. Step 6: Final answer
    x = 14,670.16

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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.