Home / 18,821.90-25,973.64-10,323.58

Finding the Fourth Proportional to 18,821.90, 25,973.64 and 10,323.58

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Solution

The fourth proportional to 18,821.90, 25,973.64 and 10,323.58 is: 14,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.90 : 25,973.64 = 10,323.58 : x
  2. Step 2: Convert to fraction form
    18,821.90/25,973.64 = 10,323.58/x
  3. Step 3: Cross multiply
    18,821.90x = 25,973.64 × 10,323.58
  4. Step 4: Simplify right side
    18,821.90x = 268,140,950.43
  5. Step 5: Solve for x
    x = 268,140,950.43/18,821.90
  6. Step 6: Final answer
    x = 14,246.22

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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.