Home / 25,637.84-35,380.68-15,035.12

Finding the Fourth Proportional to 25,637.84, 35,380.68 and 15,035.12

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Solution

The fourth proportional to 25,637.84, 35,380.68 and 15,035.12 is: 20,748.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,637.84 : 35,380.68 = 15,035.12 : x
  2. Step 2: Convert to fraction form
    25,637.84/35,380.68 = 15,035.12/x
  3. Step 3: Cross multiply
    25,637.84x = 35,380.68 × 15,035.12
  4. Step 4: Simplify right side
    25,637.84x = 531,952,769.48
  5. Step 5: Solve for x
    x = 531,952,769.48/25,637.84
  6. Step 6: Final answer
    x = 20,748.74

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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.