Home / 35,507.23-53,254.56-11,812.40

Finding the Fourth Proportional to 35,507.23, 53,254.56 and 11,812.40

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Solution

The fourth proportional to 35,507.23, 53,254.56 and 11,812.40 is: 17,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,507.23 : 53,254.56 = 11,812.40 : x
  2. Step 2: Convert to fraction form
    35,507.23/53,254.56 = 11,812.40/x
  3. Step 3: Cross multiply
    35,507.23x = 53,254.56 × 11,812.40
  4. Step 4: Simplify right side
    35,507.23x = 629,064,142.27
  5. Step 5: Solve for x
    x = 629,064,142.27/35,507.23
  6. Step 6: Final answer
    x = 17,716.51

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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.