Home / 25,821.65-35,630.96-14,488.81

Finding the Fourth Proportional to 25,821.65, 35,630.96 and 14,488.81

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Solution

The fourth proportional to 25,821.65, 35,630.96 and 14,488.81 is: 19,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.65 : 35,630.96 = 14,488.81 : x
  2. Step 2: Convert to fraction form
    25,821.65/35,630.96 = 14,488.81/x
  3. Step 3: Cross multiply
    25,821.65x = 35,630.96 × 14,488.81
  4. Step 4: Simplify right side
    25,821.65x = 516,250,048.04
  5. Step 5: Solve for x
    x = 516,250,048.04/25,821.65
  6. Step 6: Final answer
    x = 19,992.91

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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.