Home / 18,529.71-25,574.62-14,488.55

Finding the Fourth Proportional to 18,529.71, 25,574.62 and 14,488.55

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Solution

The fourth proportional to 18,529.71, 25,574.62 and 14,488.55 is: 19,997.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.71 : 25,574.62 = 14,488.55 : x
  2. Step 2: Convert to fraction form
    18,529.71/25,574.62 = 14,488.55/x
  3. Step 3: Cross multiply
    18,529.71x = 25,574.62 × 14,488.55
  4. Step 4: Simplify right side
    18,529.71x = 370,539,160.60
  5. Step 5: Solve for x
    x = 370,539,160.60/18,529.71
  6. Step 6: Final answer
    x = 19,997.03

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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.