Home / 25,669.91-35,437.15-19,914.46

Finding the Fourth Proportional to 25,669.91, 35,437.15 and 19,914.46

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Solution

The fourth proportional to 25,669.91, 35,437.15 and 19,914.46 is: 27,491.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.91 : 35,437.15 = 19,914.46 : x
  2. Step 2: Convert to fraction form
    25,669.91/35,437.15 = 19,914.46/x
  3. Step 3: Cross multiply
    25,669.91x = 35,437.15 × 19,914.46
  4. Step 4: Simplify right side
    25,669.91x = 705,711,530.47
  5. Step 5: Solve for x
    x = 705,711,530.47/25,669.91
  6. Step 6: Final answer
    x = 27,491.78

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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.