Home / 34,622.69-47,779.25-18,707.09

Finding the Fourth Proportional to 34,622.69, 47,779.25 and 18,707.09

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Solution

The fourth proportional to 34,622.69, 47,779.25 and 18,707.09 is: 25,815.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,622.69 : 47,779.25 = 18,707.09 : x
  2. Step 2: Convert to fraction form
    34,622.69/47,779.25 = 18,707.09/x
  3. Step 3: Cross multiply
    34,622.69x = 47,779.25 × 18,707.09
  4. Step 4: Simplify right side
    34,622.69x = 893,810,397.45
  5. Step 5: Solve for x
    x = 893,810,397.45/34,622.69
  6. Step 6: Final answer
    x = 25,815.74

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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.