Home / 18,124.25-25,011.44-10,166.40

Finding the Fourth Proportional to 18,124.25, 25,011.44 and 10,166.40

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Solution

The fourth proportional to 18,124.25, 25,011.44 and 10,166.40 is: 14,029.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.25 : 25,011.44 = 10,166.40 : x
  2. Step 2: Convert to fraction form
    18,124.25/25,011.44 = 10,166.40/x
  3. Step 3: Cross multiply
    18,124.25x = 25,011.44 × 10,166.40
  4. Step 4: Simplify right side
    18,124.25x = 254,276,303.62
  5. Step 5: Solve for x
    x = 254,276,303.62/18,124.25
  6. Step 6: Final answer
    x = 14,029.62

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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.