Home / 34,107.08-51,160.25-13,330.40

Finding the Fourth Proportional to 34,107.08, 51,160.25 and 13,330.40

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Solution

The fourth proportional to 34,107.08, 51,160.25 and 13,330.40 is: 19,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,107.08 : 51,160.25 = 13,330.40 : x
  2. Step 2: Convert to fraction form
    34,107.08/51,160.25 = 13,330.40/x
  3. Step 3: Cross multiply
    34,107.08x = 51,160.25 × 13,330.40
  4. Step 4: Simplify right side
    34,107.08x = 681,986,274.15
  5. Step 5: Solve for x
    x = 681,986,274.15/34,107.08
  6. Step 6: Final answer
    x = 19,995.45

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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.