Home / 18,322.66-25,285.26-10,364.72

Finding the Fourth Proportional to 18,322.66, 25,285.26 and 10,364.72

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Solution

The fourth proportional to 18,322.66, 25,285.26 and 10,364.72 is: 14,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.66 : 25,285.26 = 10,364.72 : x
  2. Step 2: Convert to fraction form
    18,322.66/25,285.26 = 10,364.72/x
  3. Step 3: Cross multiply
    18,322.66x = 25,285.26 × 10,364.72
  4. Step 4: Simplify right side
    18,322.66x = 262,074,640.03
  5. Step 5: Solve for x
    x = 262,074,640.03/18,322.66
  6. Step 6: Final answer
    x = 14,303.31

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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.