Home / 26,390.40-36,417.39-14,451.43

Finding the Fourth Proportional to 26,390.40, 36,417.39 and 14,451.43

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Solution

The fourth proportional to 26,390.40, 36,417.39 and 14,451.43 is: 19,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390.40 : 36,417.39 = 14,451.43 : x
  2. Step 2: Convert to fraction form
    26,390.40/36,417.39 = 14,451.43/x
  3. Step 3: Cross multiply
    26,390.40x = 36,417.39 × 14,451.43
  4. Step 4: Simplify right side
    26,390.40x = 526,283,362.37
  5. Step 5: Solve for x
    x = 526,283,362.37/26,390.40
  6. Step 6: Final answer
    x = 19,942.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.