Home / 15,539.76-23,309.04-3,853.08

Finding the Fourth Proportional to 15,539.76, 23,309.04 and 3,853.08

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Solution

The fourth proportional to 15,539.76, 23,309.04 and 3,853.08 is: 5,779.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.76 : 23,309.04 = 3,853.08 : x
  2. Step 2: Convert to fraction form
    15,539.76/23,309.04 = 3,853.08/x
  3. Step 3: Cross multiply
    15,539.76x = 23,309.04 × 3,853.08
  4. Step 4: Simplify right side
    15,539.76x = 89,811,595.84
  5. Step 5: Solve for x
    x = 89,811,595.84/15,539.76
  6. Step 6: Final answer
    x = 5,779.47

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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.