Home / 15,926.32-23,890.02-4,239.56

Finding the Fourth Proportional to 15,926.32, 23,890.02 and 4,239.56

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Solution

The fourth proportional to 15,926.32, 23,890.02 and 4,239.56 is: 6,359.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.32 : 23,890.02 = 4,239.56 : x
  2. Step 2: Convert to fraction form
    15,926.32/23,890.02 = 4,239.56/x
  3. Step 3: Cross multiply
    15,926.32x = 23,890.02 × 4,239.56
  4. Step 4: Simplify right side
    15,926.32x = 101,283,173.19
  5. Step 5: Solve for x
    x = 101,283,173.19/15,926.32
  6. Step 6: Final answer
    x = 6,359.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.