Home / 19,372.58-26,727.28-12,662.08

Finding the Fourth Proportional to 19,372.58, 26,727.28 and 12,662.08

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Solution

The fourth proportional to 19,372.58, 26,727.28 and 12,662.08 is: 17,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.58 : 26,727.28 = 12,662.08 : x
  2. Step 2: Convert to fraction form
    19,372.58/26,727.28 = 12,662.08/x
  3. Step 3: Cross multiply
    19,372.58x = 26,727.28 × 12,662.08
  4. Step 4: Simplify right side
    19,372.58x = 338,423,005.46
  5. Step 5: Solve for x
    x = 338,423,005.46/19,372.58
  6. Step 6: Final answer
    x = 17,469.18

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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.