Home / 34,663.69-47,835.72-18,747.80

Finding the Fourth Proportional to 34,663.69, 47,835.72 and 18,747.80

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Solution

The fourth proportional to 34,663.69, 47,835.72 and 18,747.80 is: 25,871.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,663.69 : 47,835.72 = 18,747.80 : x
  2. Step 2: Convert to fraction form
    34,663.69/47,835.72 = 18,747.80/x
  3. Step 3: Cross multiply
    34,663.69x = 47,835.72 × 18,747.80
  4. Step 4: Simplify right side
    34,663.69x = 896,814,272.24
  5. Step 5: Solve for x
    x = 896,814,272.24/34,663.69
  6. Step 6: Final answer
    x = 25,871.87

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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.