Home / 25,777.10-38,665.62-7,057.28

Finding the Fourth Proportional to 25,777.10, 38,665.62 and 7,057.28

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Solution

The fourth proportional to 25,777.10, 38,665.62 and 7,057.28 is: 10,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.10 : 38,665.62 = 7,057.28 : x
  2. Step 2: Convert to fraction form
    25,777.10/38,665.62 = 7,057.28/x
  3. Step 3: Cross multiply
    25,777.10x = 38,665.62 × 7,057.28
  4. Step 4: Simplify right side
    25,777.10x = 272,874,106.71
  5. Step 5: Solve for x
    x = 272,874,106.71/25,777.10
  6. Step 6: Final answer
    x = 10,585.91

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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.