Home / 19,353.57-26,708.23-10,857.58

Finding the Fourth Proportional to 19,353.57, 26,708.23 and 10,857.58

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Solution

The fourth proportional to 19,353.57, 26,708.23 and 10,857.58 is: 14,983.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.57 : 26,708.23 = 10,857.58 : x
  2. Step 2: Convert to fraction form
    19,353.57/26,708.23 = 10,857.58/x
  3. Step 3: Cross multiply
    19,353.57x = 26,708.23 × 10,857.58
  4. Step 4: Simplify right side
    19,353.57x = 289,986,743.88
  5. Step 5: Solve for x
    x = 289,986,743.88/19,353.57
  6. Step 6: Final answer
    x = 14,983.63

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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.