Home / 25,449.68-38,189.40-10,657.35

Finding the Fourth Proportional to 25,449.68, 38,189.40 and 10,657.35

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Solution

The fourth proportional to 25,449.68, 38,189.40 and 10,657.35 is: 15,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,449.68 : 38,189.40 = 10,657.35 : x
  2. Step 2: Convert to fraction form
    25,449.68/38,189.40 = 10,657.35/x
  3. Step 3: Cross multiply
    25,449.68x = 38,189.40 × 10,657.35
  4. Step 4: Simplify right side
    25,449.68x = 406,997,802.09
  5. Step 5: Solve for x
    x = 406,997,802.09/25,449.68
  6. Step 6: Final answer
    x = 15,992.26

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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.