Home / 19,332.45-26,679.45-18,446.73

Finding the Fourth Proportional to 19,332.45, 26,679.45 and 18,446.73

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Solution

The fourth proportional to 19,332.45, 26,679.45 and 18,446.73 is: 25,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,332.45 : 26,679.45 = 18,446.73 : x
  2. Step 2: Convert to fraction form
    19,332.45/26,679.45 = 18,446.73/x
  3. Step 3: Cross multiply
    19,332.45x = 26,679.45 × 18,446.73
  4. Step 4: Simplify right side
    19,332.45x = 492,148,610.70
  5. Step 5: Solve for x
    x = 492,148,610.70/19,332.45
  6. Step 6: Final answer
    x = 25,457.13

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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.