Home / 15,742.20-23,596.65-5,209.50

Finding the Fourth Proportional to 15,742.20, 23,596.65 and 5,209.50

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Solution

The fourth proportional to 15,742.20, 23,596.65 and 5,209.50 is: 7,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.20 : 23,596.65 = 5,209.50 : x
  2. Step 2: Convert to fraction form
    15,742.20/23,596.65 = 5,209.50/x
  3. Step 3: Cross multiply
    15,742.20x = 23,596.65 × 5,209.50
  4. Step 4: Simplify right side
    15,742.20x = 122,926,748.18
  5. Step 5: Solve for x
    x = 122,926,748.18/15,742.20
  6. Step 6: Final answer
    x = 7,808.74

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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.