Home / 35,618.72-53,428.13-12,245.16

Finding the Fourth Proportional to 35,618.72, 53,428.13 and 12,245.16

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Solution

The fourth proportional to 35,618.72, 53,428.13 and 12,245.16 is: 18,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,618.72 : 53,428.13 = 12,245.16 : x
  2. Step 2: Convert to fraction form
    35,618.72/53,428.13 = 12,245.16/x
  3. Step 3: Cross multiply
    35,618.72x = 53,428.13 × 12,245.16
  4. Step 4: Simplify right side
    35,618.72x = 654,235,939.13
  5. Step 5: Solve for x
    x = 654,235,939.13/35,618.72
  6. Step 6: Final answer
    x = 18,367.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.