Home / 18,124.90-25,012.39-10,167.10

Finding the Fourth Proportional to 18,124.90, 25,012.39 and 10,167.10

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Solution

The fourth proportional to 18,124.90, 25,012.39 and 10,167.10 is: 14,030.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.90 : 25,012.39 = 10,167.10 : x
  2. Step 2: Convert to fraction form
    18,124.90/25,012.39 = 10,167.10/x
  3. Step 3: Cross multiply
    18,124.90x = 25,012.39 × 10,167.10
  4. Step 4: Simplify right side
    18,124.90x = 254,303,470.37
  5. Step 5: Solve for x
    x = 254,303,470.37/18,124.90
  6. Step 6: Final answer
    x = 14,030.61

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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.