Home / 26,349.12-39,528.48-12,498

Finding the Fourth Proportional to 26,349.12, 39,528.48 and 12,498

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Solution

The fourth proportional to 26,349.12, 39,528.48 and 12,498 is: 18,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.12 : 39,528.48 = 12,498 : x
  2. Step 2: Convert to fraction form
    26,349.12/39,528.48 = 12,498/x
  3. Step 3: Cross multiply
    26,349.12x = 39,528.48 × 12,498
  4. Step 4: Simplify right side
    26,349.12x = 494,026,943.04
  5. Step 5: Solve for x
    x = 494,026,943.04/26,349.12
  6. Step 6: Final answer
    x = 18,749.28

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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.