Home / 25,343.72-38,015.60-6,875.72

Finding the Fourth Proportional to 25,343.72, 38,015.60 and 6,875.72

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Solution

The fourth proportional to 25,343.72, 38,015.60 and 6,875.72 is: 10,313.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.72 : 38,015.60 = 6,875.72 : x
  2. Step 2: Convert to fraction form
    25,343.72/38,015.60 = 6,875.72/x
  3. Step 3: Cross multiply
    25,343.72x = 38,015.60 × 6,875.72
  4. Step 4: Simplify right side
    25,343.72x = 261,384,621.23
  5. Step 5: Solve for x
    x = 261,384,621.23/25,343.72
  6. Step 6: Final answer
    x = 10,313.59

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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.