Home / 18,810.24-25,951.44-10,854.48

Finding the Fourth Proportional to 18,810.24, 25,951.44 and 10,854.48

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Solution

The fourth proportional to 18,810.24, 25,951.44 and 10,854.48 is: 14,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810.24 : 25,951.44 = 10,854.48 : x
  2. Step 2: Convert to fraction form
    18,810.24/25,951.44 = 10,854.48/x
  3. Step 3: Cross multiply
    18,810.24x = 25,951.44 × 10,854.48
  4. Step 4: Simplify right side
    18,810.24x = 281,689,386.45
  5. Step 5: Solve for x
    x = 281,689,386.45/18,810.24
  6. Step 6: Final answer
    x = 14,975.32

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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.