Home / 19,353.50-26,708.14-10,857.51

Finding the Fourth Proportional to 19,353.50, 26,708.14 and 10,857.51

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Solution

The fourth proportional to 19,353.50, 26,708.14 and 10,857.51 is: 14,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,353.50 : 26,708.14 = 10,857.51 : x
  2. Step 2: Convert to fraction form
    19,353.50/26,708.14 = 10,857.51/x
  3. Step 3: Cross multiply
    19,353.50x = 26,708.14 × 10,857.51
  4. Step 4: Simplify right side
    19,353.50x = 289,983,936.76
  5. Step 5: Solve for x
    x = 289,983,936.76/19,353.50
  6. Step 6: Final answer
    x = 14,983.54

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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.