Home / 18,841.24-25,995.58-12,130.75

Finding the Fourth Proportional to 18,841.24, 25,995.58 and 12,130.75

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Solution

The fourth proportional to 18,841.24, 25,995.58 and 12,130.75 is: 16,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,841.24 : 25,995.58 = 12,130.75 : x
  2. Step 2: Convert to fraction form
    18,841.24/25,995.58 = 12,130.75/x
  3. Step 3: Cross multiply
    18,841.24x = 25,995.58 × 12,130.75
  4. Step 4: Simplify right side
    18,841.24x = 315,345,752.11
  5. Step 5: Solve for x
    x = 315,345,752.11/18,841.24
  6. Step 6: Final answer
    x = 16,737.00

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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.