Home / 18,334.56-25,303.24-10,378.20

Finding the Fourth Proportional to 18,334.56, 25,303.24 and 10,378.20

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Solution

The fourth proportional to 18,334.56, 25,303.24 and 10,378.20 is: 14,322.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.56 : 25,303.24 = 10,378.20 : x
  2. Step 2: Convert to fraction form
    18,334.56/25,303.24 = 10,378.20/x
  3. Step 3: Cross multiply
    18,334.56x = 25,303.24 × 10,378.20
  4. Step 4: Simplify right side
    18,334.56x = 262,602,085.37
  5. Step 5: Solve for x
    x = 262,602,085.37/18,334.56
  6. Step 6: Final answer
    x = 14,322.79

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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.