Home / 35,665.16-53,503.43-12,286.13

Finding the Fourth Proportional to 35,665.16, 53,503.43 and 12,286.13

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Solution

The fourth proportional to 35,665.16, 53,503.43 and 12,286.13 is: 18,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,665.16 : 53,503.43 = 12,286.13 : x
  2. Step 2: Convert to fraction form
    35,665.16/53,503.43 = 12,286.13/x
  3. Step 3: Cross multiply
    35,665.16x = 53,503.43 × 12,286.13
  4. Step 4: Simplify right side
    35,665.16x = 657,349,767.48
  5. Step 5: Solve for x
    x = 657,349,767.48/35,665.16
  6. Step 6: Final answer
    x = 18,431.15

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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.