Home / 34,165.14-47,145.60-19,825.40

Finding the Fourth Proportional to 34,165.14, 47,145.60 and 19,825.40

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Solution

The fourth proportional to 34,165.14, 47,145.60 and 19,825.40 is: 27,357.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.14 : 47,145.60 = 19,825.40 : x
  2. Step 2: Convert to fraction form
    34,165.14/47,145.60 = 19,825.40/x
  3. Step 3: Cross multiply
    34,165.14x = 47,145.60 × 19,825.40
  4. Step 4: Simplify right side
    34,165.14x = 934,680,378.24
  5. Step 5: Solve for x
    x = 934,680,378.24/34,165.14
  6. Step 6: Final answer
    x = 27,357.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.