Home / 15,857.54-21,892.37-10,829.06

Finding the Fourth Proportional to 15,857.54, 21,892.37 and 10,829.06

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Solution

The fourth proportional to 15,857.54, 21,892.37 and 10,829.06 is: 14,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.54 : 21,892.37 = 10,829.06 : x
  2. Step 2: Convert to fraction form
    15,857.54/21,892.37 = 10,829.06/x
  3. Step 3: Cross multiply
    15,857.54x = 21,892.37 × 10,829.06
  4. Step 4: Simplify right side
    15,857.54x = 237,073,624.67
  5. Step 5: Solve for x
    x = 237,073,624.67/15,857.54
  6. Step 6: Final answer
    x = 14,950.22

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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.