Home / 18,208.89-25,128.54-10,251.09

Finding the Fourth Proportional to 18,208.89, 25,128.54 and 10,251.09

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Solution

The fourth proportional to 18,208.89, 25,128.54 and 10,251.09 is: 14,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.89 : 25,128.54 = 10,251.09 : x
  2. Step 2: Convert to fraction form
    18,208.89/25,128.54 = 10,251.09/x
  3. Step 3: Cross multiply
    18,208.89x = 25,128.54 × 10,251.09
  4. Step 4: Simplify right side
    18,208.89x = 257,594,925.11
  5. Step 5: Solve for x
    x = 257,594,925.11/18,208.89
  6. Step 6: Final answer
    x = 14,146.66

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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.