Home / 35,464.75-53,206.26-13,278.45

Finding the Fourth Proportional to 35,464.75, 53,206.26 and 13,278.45

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Solution

The fourth proportional to 35,464.75, 53,206.26 and 13,278.45 is: 19,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,464.75 : 53,206.26 = 13,278.45 : x
  2. Step 2: Convert to fraction form
    35,464.75/53,206.26 = 13,278.45/x
  3. Step 3: Cross multiply
    35,464.75x = 53,206.26 × 13,278.45
  4. Step 4: Simplify right side
    35,464.75x = 706,496,663.10
  5. Step 5: Solve for x
    x = 706,496,663.10/35,464.75
  6. Step 6: Final answer
    x = 19,921.10

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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.