Home / 26,257.40-39,409.80-17,803.44

Finding the Fourth Proportional to 26,257.40, 39,409.80 and 17,803.44

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Solution

The fourth proportional to 26,257.40, 39,409.80 and 17,803.44 is: 26,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,257.40 : 39,409.80 = 17,803.44 : x
  2. Step 2: Convert to fraction form
    26,257.40/39,409.80 = 17,803.44/x
  3. Step 3: Cross multiply
    26,257.40x = 39,409.80 × 17,803.44
  4. Step 4: Simplify right side
    26,257.40x = 701,630,009.71
  5. Step 5: Solve for x
    x = 701,630,009.71/26,257.40
  6. Step 6: Final answer
    x = 26,721.23

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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.