Home / 25,779.69-38,664.90-11,736.45

Finding the Fourth Proportional to 25,779.69, 38,664.90 and 11,736.45

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Solution

The fourth proportional to 25,779.69, 38,664.90 and 11,736.45 is: 17,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,779.69 : 38,664.90 = 11,736.45 : x
  2. Step 2: Convert to fraction form
    25,779.69/38,664.90 = 11,736.45/x
  3. Step 3: Cross multiply
    25,779.69x = 38,664.90 × 11,736.45
  4. Step 4: Simplify right side
    25,779.69x = 453,788,665.61
  5. Step 5: Solve for x
    x = 453,788,665.61/25,779.69
  6. Step 6: Final answer
    x = 17,602.56

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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.