Home / 31,455.06-47,166.25-9,265.51

Finding the Fourth Proportional to 31,455.06, 47,166.25 and 9,265.51

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Solution

The fourth proportional to 31,455.06, 47,166.25 and 9,265.51 is: 13,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.06 : 47,166.25 = 9,265.51 : x
  2. Step 2: Convert to fraction form
    31,455.06/47,166.25 = 9,265.51/x
  3. Step 3: Cross multiply
    31,455.06x = 47,166.25 × 9,265.51
  4. Step 4: Simplify right side
    31,455.06x = 437,019,361.04
  5. Step 5: Solve for x
    x = 437,019,361.04/31,455.06
  6. Step 6: Final answer
    x = 13,893.45

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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.