Home / 23,898.16-32,980.68-13,288

Finding the Fourth Proportional to 23,898.16, 32,980.68 and 13,288

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Solution

The fourth proportional to 23,898.16, 32,980.68 and 13,288 is: 18,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,898.16 : 32,980.68 = 13,288 : x
  2. Step 2: Convert to fraction form
    23,898.16/32,980.68 = 13,288/x
  3. Step 3: Cross multiply
    23,898.16x = 32,980.68 × 13,288
  4. Step 4: Simplify right side
    23,898.16x = 438,247,275.84
  5. Step 5: Solve for x
    x = 438,247,275.84/23,898.16
  6. Step 6: Final answer
    x = 18,338.12

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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.