Home / 17,430.40-26,129.76-7,035.04

Finding the Fourth Proportional to 17,430.40, 26,129.76 and 7,035.04

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Solution

The fourth proportional to 17,430.40, 26,129.76 and 7,035.04 is: 10,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.40 : 26,129.76 = 7,035.04 : x
  2. Step 2: Convert to fraction form
    17,430.40/26,129.76 = 7,035.04/x
  3. Step 3: Cross multiply
    17,430.40x = 26,129.76 × 7,035.04
  4. Step 4: Simplify right side
    17,430.40x = 183,823,906.79
  5. Step 5: Solve for x
    x = 183,823,906.79/17,430.40
  6. Step 6: Final answer
    x = 10,546.17

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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.