Home / 35,428.86-53,146.10-11,735.45

Finding the Fourth Proportional to 35,428.86, 53,146.10 and 11,735.45

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Solution

The fourth proportional to 35,428.86, 53,146.10 and 11,735.45 is: 17,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.86 : 53,146.10 = 11,735.45 : x
  2. Step 2: Convert to fraction form
    35,428.86/53,146.10 = 11,735.45/x
  3. Step 3: Cross multiply
    35,428.86x = 53,146.10 × 11,735.45
  4. Step 4: Simplify right side
    35,428.86x = 623,693,074.84
  5. Step 5: Solve for x
    x = 623,693,074.84/35,428.86
  6. Step 6: Final answer
    x = 17,604.10

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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.