Home / 34,143.12-51,240.60-13,368.24

Finding the Fourth Proportional to 34,143.12, 51,240.60 and 13,368.24

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Solution

The fourth proportional to 34,143.12, 51,240.60 and 13,368.24 is: 20,062.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,143.12 : 51,240.60 = 13,368.24 : x
  2. Step 2: Convert to fraction form
    34,143.12/51,240.60 = 13,368.24/x
  3. Step 3: Cross multiply
    34,143.12x = 51,240.60 × 13,368.24
  4. Step 4: Simplify right side
    34,143.12x = 684,996,638.54
  5. Step 5: Solve for x
    x = 684,996,638.54/34,143.12
  6. Step 6: Final answer
    x = 20,062.51

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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.