Home / 34,348.60-51,513.38-12,159.06

Finding the Fourth Proportional to 34,348.60, 51,513.38 and 12,159.06

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Solution

The fourth proportional to 34,348.60, 51,513.38 and 12,159.06 is: 18,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,348.60 : 51,513.38 = 12,159.06 : x
  2. Step 2: Convert to fraction form
    34,348.60/51,513.38 = 12,159.06/x
  3. Step 3: Cross multiply
    34,348.60x = 51,513.38 × 12,159.06
  4. Step 4: Simplify right side
    34,348.60x = 626,354,020.66
  5. Step 5: Solve for x
    x = 626,354,020.66/34,348.60
  6. Step 6: Final answer
    x = 18,235.21

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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.