Home / 18,351.98-25,323.63-10,284.55

Finding the Fourth Proportional to 18,351.98, 25,323.63 and 10,284.55

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Solution

The fourth proportional to 18,351.98, 25,323.63 and 10,284.55 is: 14,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.98 : 25,323.63 = 10,284.55 : x
  2. Step 2: Convert to fraction form
    18,351.98/25,323.63 = 10,284.55/x
  3. Step 3: Cross multiply
    18,351.98x = 25,323.63 × 10,284.55
  4. Step 4: Simplify right side
    18,351.98x = 260,442,138.92
  5. Step 5: Solve for x
    x = 260,442,138.92/18,351.98
  6. Step 6: Final answer
    x = 14,191.50

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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.