Home / 35,609.13-53,376.03-13,412.90

Finding the Fourth Proportional to 35,609.13, 53,376.03 and 13,412.90

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Solution

The fourth proportional to 35,609.13, 53,376.03 and 13,412.90 is: 20,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,609.13 : 53,376.03 = 13,412.90 : x
  2. Step 2: Convert to fraction form
    35,609.13/53,376.03 = 13,412.90/x
  3. Step 3: Cross multiply
    35,609.13x = 53,376.03 × 13,412.90
  4. Step 4: Simplify right side
    35,609.13x = 715,927,486.23
  5. Step 5: Solve for x
    x = 715,927,486.23/35,609.13
  6. Step 6: Final answer
    x = 20,105.17

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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.