Home / 18,222.64-25,148.09-10,156.82

Finding the Fourth Proportional to 18,222.64, 25,148.09 and 10,156.82

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Solution

The fourth proportional to 18,222.64, 25,148.09 and 10,156.82 is: 14,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.64 : 25,148.09 = 10,156.82 : x
  2. Step 2: Convert to fraction form
    18,222.64/25,148.09 = 10,156.82/x
  3. Step 3: Cross multiply
    18,222.64x = 25,148.09 × 10,156.82
  4. Step 4: Simplify right side
    18,222.64x = 255,424,678.18
  5. Step 5: Solve for x
    x = 255,424,678.18/18,222.64
  6. Step 6: Final answer
    x = 14,016.89

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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.