Home / 22,610.14-31,210.07-15,434.92

Finding the Fourth Proportional to 22,610.14, 31,210.07 and 15,434.92

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Solution

The fourth proportional to 22,610.14, 31,210.07 and 15,434.92 is: 21,305.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,610.14 : 31,210.07 = 15,434.92 : x
  2. Step 2: Convert to fraction form
    22,610.14/31,210.07 = 15,434.92/x
  3. Step 3: Cross multiply
    22,610.14x = 31,210.07 × 15,434.92
  4. Step 4: Simplify right side
    22,610.14x = 481,724,933.64
  5. Step 5: Solve for x
    x = 481,724,933.64/22,610.14
  6. Step 6: Final answer
    x = 21,305.70

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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.