Home / 35,420.07-53,117.33-11,723.24

Finding the Fourth Proportional to 35,420.07, 53,117.33 and 11,723.24

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Solution

The fourth proportional to 35,420.07, 53,117.33 and 11,723.24 is: 17,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.07 : 53,117.33 = 11,723.24 : x
  2. Step 2: Convert to fraction form
    35,420.07/53,117.33 = 11,723.24/x
  3. Step 3: Cross multiply
    35,420.07x = 53,117.33 × 11,723.24
  4. Step 4: Simplify right side
    35,420.07x = 622,706,971.47
  5. Step 5: Solve for x
    x = 622,706,971.47/35,420.07
  6. Step 6: Final answer
    x = 17,580.63

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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.