Home / 34,155.48-47,134.60-18,841.68

Finding the Fourth Proportional to 34,155.48, 47,134.60 and 18,841.68

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Solution

The fourth proportional to 34,155.48, 47,134.60 and 18,841.68 is: 26,001.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,155.48 : 47,134.60 = 18,841.68 : x
  2. Step 2: Convert to fraction form
    34,155.48/47,134.60 = 18,841.68/x
  3. Step 3: Cross multiply
    34,155.48x = 47,134.60 × 18,841.68
  4. Step 4: Simplify right side
    34,155.48x = 888,095,109.01
  5. Step 5: Solve for x
    x = 888,095,109.01/34,155.48
  6. Step 6: Final answer
    x = 26,001.54

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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.