Home / 16,330.40-24,483.60-5,230.72

Finding the Fourth Proportional to 16,330.40, 24,483.60 and 5,230.72

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Solution

The fourth proportional to 16,330.40, 24,483.60 and 5,230.72 is: 7,842.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,330.40 : 24,483.60 = 5,230.72 : x
  2. Step 2: Convert to fraction form
    16,330.40/24,483.60 = 5,230.72/x
  3. Step 3: Cross multiply
    16,330.40x = 24,483.60 × 5,230.72
  4. Step 4: Simplify right side
    16,330.40x = 128,066,856.19
  5. Step 5: Solve for x
    x = 128,066,856.19/16,330.40
  6. Step 6: Final answer
    x = 7,842.24

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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.