Home / 15,421.74-23,133.96-4,328.52

Finding the Fourth Proportional to 15,421.74, 23,133.96 and 4,328.52

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Solution

The fourth proportional to 15,421.74, 23,133.96 and 4,328.52 is: 6,493.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,421.74 : 23,133.96 = 4,328.52 : x
  2. Step 2: Convert to fraction form
    15,421.74/23,133.96 = 4,328.52/x
  3. Step 3: Cross multiply
    15,421.74x = 23,133.96 × 4,328.52
  4. Step 4: Simplify right side
    15,421.74x = 100,135,808.54
  5. Step 5: Solve for x
    x = 100,135,808.54/15,421.74
  6. Step 6: Final answer
    x = 6,493.16

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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.