Home / 26,460.64-39,670.12-13,124.52

Finding the Fourth Proportional to 26,460.64, 39,670.12 and 13,124.52

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Solution

The fourth proportional to 26,460.64, 39,670.12 and 13,124.52 is: 19,676.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.64 : 39,670.12 = 13,124.52 : x
  2. Step 2: Convert to fraction form
    26,460.64/39,670.12 = 13,124.52/x
  3. Step 3: Cross multiply
    26,460.64x = 39,670.12 × 13,124.52
  4. Step 4: Simplify right side
    26,460.64x = 520,651,283.34
  5. Step 5: Solve for x
    x = 520,651,283.34/26,460.64
  6. Step 6: Final answer
    x = 19,676.44

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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.