Home / 35,474.07-53,212.47-13,285.15

Finding the Fourth Proportional to 35,474.07, 53,212.47 and 13,285.15

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Solution

The fourth proportional to 35,474.07, 53,212.47 and 13,285.15 is: 19,928.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.07 : 53,212.47 = 13,285.15 : x
  2. Step 2: Convert to fraction form
    35,474.07/53,212.47 = 13,285.15/x
  3. Step 3: Cross multiply
    35,474.07x = 53,212.47 × 13,285.15
  4. Step 4: Simplify right side
    35,474.07x = 706,935,645.82
  5. Step 5: Solve for x
    x = 706,935,645.82/35,474.07
  6. Step 6: Final answer
    x = 19,928.24

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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.