Home / 18,804.06-25,919.15-12,752.30

Finding the Fourth Proportional to 18,804.06, 25,919.15 and 12,752.30

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Solution

The fourth proportional to 18,804.06, 25,919.15 and 12,752.30 is: 17,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.06 : 25,919.15 = 12,752.30 : x
  2. Step 2: Convert to fraction form
    18,804.06/25,919.15 = 12,752.30/x
  3. Step 3: Cross multiply
    18,804.06x = 25,919.15 × 12,752.30
  4. Step 4: Simplify right side
    18,804.06x = 330,528,776.55
  5. Step 5: Solve for x
    x = 330,528,776.55/18,804.06
  6. Step 6: Final answer
    x = 17,577.52

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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.