Home / 18,953.57-26,156.45-10,456.27

Finding the Fourth Proportional to 18,953.57, 26,156.45 and 10,456.27

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Solution

The fourth proportional to 18,953.57, 26,156.45 and 10,456.27 is: 14,429.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953.57 : 26,156.45 = 10,456.27 : x
  2. Step 2: Convert to fraction form
    18,953.57/26,156.45 = 10,456.27/x
  3. Step 3: Cross multiply
    18,953.57x = 26,156.45 × 10,456.27
  4. Step 4: Simplify right side
    18,953.57x = 273,498,864.19
  5. Step 5: Solve for x
    x = 273,498,864.19/18,953.57
  6. Step 6: Final answer
    x = 14,429.94

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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.