Home / 25,665.96-35,428.44-15,064.48

Finding the Fourth Proportional to 25,665.96, 35,428.44 and 15,064.48

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Solution

The fourth proportional to 25,665.96, 35,428.44 and 15,064.48 is: 20,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,665.96 : 35,428.44 = 15,064.48 : x
  2. Step 2: Convert to fraction form
    25,665.96/35,428.44 = 15,064.48/x
  3. Step 3: Cross multiply
    25,665.96x = 35,428.44 × 15,064.48
  4. Step 4: Simplify right side
    25,665.96x = 533,711,025.81
  5. Step 5: Solve for x
    x = 533,711,025.81/25,665.96
  6. Step 6: Final answer
    x = 20,794.51

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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.