Home / 34,418.58-51,646.65-13,359.45

Finding the Fourth Proportional to 34,418.58, 51,646.65 and 13,359.45

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Solution

The fourth proportional to 34,418.58, 51,646.65 and 13,359.45 is: 20,046.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,418.58 : 51,646.65 = 13,359.45 : x
  2. Step 2: Convert to fraction form
    34,418.58/51,646.65 = 13,359.45/x
  3. Step 3: Cross multiply
    34,418.58x = 51,646.65 × 13,359.45
  4. Step 4: Simplify right side
    34,418.58x = 689,970,838.34
  5. Step 5: Solve for x
    x = 689,970,838.34/34,418.58
  6. Step 6: Final answer
    x = 20,046.46

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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.