Home / 25,900.08-38,820.96-10,299.48

Finding the Fourth Proportional to 25,900.08, 38,820.96 and 10,299.48

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Solution

The fourth proportional to 25,900.08, 38,820.96 and 10,299.48 is: 15,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.08 : 38,820.96 = 10,299.48 : x
  2. Step 2: Convert to fraction form
    25,900.08/38,820.96 = 10,299.48/x
  3. Step 3: Cross multiply
    25,900.08x = 38,820.96 × 10,299.48
  4. Step 4: Simplify right side
    25,900.08x = 399,835,701.10
  5. Step 5: Solve for x
    x = 399,835,701.10/25,900.08
  6. Step 6: Final answer
    x = 15,437.62

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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.