Home / 34,128.54-51,158.16-13,063.19

Finding the Fourth Proportional to 34,128.54, 51,158.16 and 13,063.19

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Solution

The fourth proportional to 34,128.54, 51,158.16 and 13,063.19 is: 19,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.54 : 51,158.16 = 13,063.19 : x
  2. Step 2: Convert to fraction form
    34,128.54/51,158.16 = 13,063.19/x
  3. Step 3: Cross multiply
    34,128.54x = 51,158.16 × 13,063.19
  4. Step 4: Simplify right side
    34,128.54x = 668,288,508.34
  5. Step 5: Solve for x
    x = 668,288,508.34/34,128.54
  6. Step 6: Final answer
    x = 19,581.51

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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.