Home / 15,626.40-21,574.52-13,944.92

Finding the Fourth Proportional to 15,626.40, 21,574.52 and 13,944.92

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Solution

The fourth proportional to 15,626.40, 21,574.52 and 13,944.92 is: 19,252.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,626.40 : 21,574.52 = 13,944.92 : x
  2. Step 2: Convert to fraction form
    15,626.40/21,574.52 = 13,944.92/x
  3. Step 3: Cross multiply
    15,626.40x = 21,574.52 × 13,944.92
  4. Step 4: Simplify right side
    15,626.40x = 300,854,777.84
  5. Step 5: Solve for x
    x = 300,854,777.84/15,626.40
  6. Step 6: Final answer
    x = 19,252.98

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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.