Home / 17,623.96-26,429.40-12,356.28

Finding the Fourth Proportional to 17,623.96, 26,429.40 and 12,356.28

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Solution

The fourth proportional to 17,623.96, 26,429.40 and 12,356.28 is: 18,529.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.96 : 26,429.40 = 12,356.28 : x
  2. Step 2: Convert to fraction form
    17,623.96/26,429.40 = 12,356.28/x
  3. Step 3: Cross multiply
    17,623.96x = 26,429.40 × 12,356.28
  4. Step 4: Simplify right side
    17,623.96x = 326,569,066.63
  5. Step 5: Solve for x
    x = 326,569,066.63/17,623.96
  6. Step 6: Final answer
    x = 18,529.83

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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.