Home / 18,953.94-26,156.63-10,456.36

Finding the Fourth Proportional to 18,953.94, 26,156.63 and 10,456.36

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Solution

The fourth proportional to 18,953.94, 26,156.63 and 10,456.36 is: 14,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.94 : 26,156.63 = 10,456.36 : x
  2. Step 2: Convert to fraction form
    18,953.94/26,156.63 = 10,456.36/x
  3. Step 3: Cross multiply
    18,953.94x = 26,156.63 × 10,456.36
  4. Step 4: Simplify right side
    18,953.94x = 273,503,139.67
  5. Step 5: Solve for x
    x = 273,503,139.67/18,953.94
  6. Step 6: Final answer
    x = 14,429.88

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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.