Home / 17,477.40-26,192.10-11,218.20

Finding the Fourth Proportional to 17,477.40, 26,192.10 and 11,218.20

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Solution

The fourth proportional to 17,477.40, 26,192.10 and 11,218.20 is: 16,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477.40 : 26,192.10 = 11,218.20 : x
  2. Step 2: Convert to fraction form
    17,477.40/26,192.10 = 11,218.20/x
  3. Step 3: Cross multiply
    17,477.40x = 26,192.10 × 11,218.20
  4. Step 4: Simplify right side
    17,477.40x = 293,828,216.22
  5. Step 5: Solve for x
    x = 293,828,216.22/17,477.40
  6. Step 6: Final answer
    x = 16,811.90

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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.