Home / 16,971.64-25,460.76-5,126.36

Finding the Fourth Proportional to 16,971.64, 25,460.76 and 5,126.36

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Solution

The fourth proportional to 16,971.64, 25,460.76 and 5,126.36 is: 7,690.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,971.64 : 25,460.76 = 5,126.36 : x
  2. Step 2: Convert to fraction form
    16,971.64/25,460.76 = 5,126.36/x
  3. Step 3: Cross multiply
    16,971.64x = 25,460.76 × 5,126.36
  4. Step 4: Simplify right side
    16,971.64x = 130,521,021.63
  5. Step 5: Solve for x
    x = 130,521,021.63/16,971.64
  6. Step 6: Final answer
    x = 7,690.54

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1.5x scale

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.