Home / 18,322.12-25,285.08-10,364.19

Finding the Fourth Proportional to 18,322.12, 25,285.08 and 10,364.19

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Solution

The fourth proportional to 18,322.12, 25,285.08 and 10,364.19 is: 14,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.12 : 25,285.08 = 10,364.19 : x
  2. Step 2: Convert to fraction form
    18,322.12/25,285.08 = 10,364.19/x
  3. Step 3: Cross multiply
    18,322.12x = 25,285.08 × 10,364.19
  4. Step 4: Simplify right side
    18,322.12x = 262,059,373.29
  5. Step 5: Solve for x
    x = 262,059,373.29/18,322.12
  6. Step 6: Final answer
    x = 14,302.90

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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.