Home / 25,664.46-35,420.52-15,057.51

Finding the Fourth Proportional to 25,664.46, 35,420.52 and 15,057.51

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Solution

The fourth proportional to 25,664.46, 35,420.52 and 15,057.51 is: 20,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,664.46 : 35,420.52 = 15,057.51 : x
  2. Step 2: Convert to fraction form
    25,664.46/35,420.52 = 15,057.51/x
  3. Step 3: Cross multiply
    25,664.46x = 35,420.52 × 15,057.51
  4. Step 4: Simplify right side
    25,664.46x = 533,344,834.11
  5. Step 5: Solve for x
    x = 533,344,834.11/25,664.46
  6. Step 6: Final answer
    x = 20,781.46

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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.