Home / 18,336.29-25,303.29-10,378.95

Finding the Fourth Proportional to 18,336.29, 25,303.29 and 10,378.95

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Solution

The fourth proportional to 18,336.29, 25,303.29 and 10,378.95 is: 14,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.29 : 25,303.29 = 10,378.95 : x
  2. Step 2: Convert to fraction form
    18,336.29/25,303.29 = 10,378.95/x
  3. Step 3: Cross multiply
    18,336.29x = 25,303.29 × 10,378.95
  4. Step 4: Simplify right side
    18,336.29x = 262,621,581.75
  5. Step 5: Solve for x
    x = 262,621,581.75/18,336.29
  6. Step 6: Final answer
    x = 14,322.51

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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.