Home / 25,656.51-35,396.23-15,581.14

Finding the Fourth Proportional to 25,656.51, 35,396.23 and 15,581.14

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Solution

The fourth proportional to 25,656.51, 35,396.23 and 15,581.14 is: 21,496.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,656.51 : 35,396.23 = 15,581.14 : x
  2. Step 2: Convert to fraction form
    25,656.51/35,396.23 = 15,581.14/x
  3. Step 3: Cross multiply
    25,656.51x = 35,396.23 × 15,581.14
  4. Step 4: Simplify right side
    25,656.51x = 551,513,615.10
  5. Step 5: Solve for x
    x = 551,513,615.10/25,656.51
  6. Step 6: Final answer
    x = 21,496.05

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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.