Home / 34,515.57-47,628.76-19,405.36

Finding the Fourth Proportional to 34,515.57, 47,628.76 and 19,405.36

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Solution

The fourth proportional to 34,515.57, 47,628.76 and 19,405.36 is: 26,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.57 : 47,628.76 = 19,405.36 : x
  2. Step 2: Convert to fraction form
    34,515.57/47,628.76 = 19,405.36/x
  3. Step 3: Cross multiply
    34,515.57x = 47,628.76 × 19,405.36
  4. Step 4: Simplify right side
    34,515.57x = 924,252,898.98
  5. Step 5: Solve for x
    x = 924,252,898.98/34,515.57
  6. Step 6: Final answer
    x = 26,777.85

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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.