Home / 17,276.40-25,914.72-7,407.36

Finding the Fourth Proportional to 17,276.40, 25,914.72 and 7,407.36

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Solution

The fourth proportional to 17,276.40, 25,914.72 and 7,407.36 is: 11,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.40 : 25,914.72 = 7,407.36 : x
  2. Step 2: Convert to fraction form
    17,276.40/25,914.72 = 7,407.36/x
  3. Step 3: Cross multiply
    17,276.40x = 25,914.72 × 7,407.36
  4. Step 4: Simplify right side
    17,276.40x = 191,959,660.34
  5. Step 5: Solve for x
    x = 191,959,660.34/17,276.40
  6. Step 6: Final answer
    x = 11,111.09

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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.