Home / 18,493.12-25,520.70-10,535.32

Finding the Fourth Proportional to 18,493.12, 25,520.70 and 10,535.32

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Solution

The fourth proportional to 18,493.12, 25,520.70 and 10,535.32 is: 14,538.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,493.12 : 25,520.70 = 10,535.32 : x
  2. Step 2: Convert to fraction form
    18,493.12/25,520.70 = 10,535.32/x
  3. Step 3: Cross multiply
    18,493.12x = 25,520.70 × 10,535.32
  4. Step 4: Simplify right side
    18,493.12x = 268,868,741.12
  5. Step 5: Solve for x
    x = 268,868,741.12/18,493.12
  6. Step 6: Final answer
    x = 14,538.85

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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.