Home / 25,619.40-35,357.49-15,017.94

Finding the Fourth Proportional to 25,619.40, 35,357.49 and 15,017.94

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Solution

The fourth proportional to 25,619.40, 35,357.49 and 15,017.94 is: 20,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,619.40 : 35,357.49 = 15,017.94 : x
  2. Step 2: Convert to fraction form
    25,619.40/35,357.49 = 15,017.94/x
  3. Step 3: Cross multiply
    25,619.40x = 35,357.49 × 15,017.94
  4. Step 4: Simplify right side
    25,619.40x = 530,996,663.37
  5. Step 5: Solve for x
    x = 530,996,663.37/25,619.40
  6. Step 6: Final answer
    x = 20,726.35

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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.