Home / 25,837.28-38,756.12-7,118.34

Finding the Fourth Proportional to 25,837.28, 38,756.12 and 7,118.34

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Solution

The fourth proportional to 25,837.28, 38,756.12 and 7,118.34 is: 10,677.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.28 : 38,756.12 = 7,118.34 : x
  2. Step 2: Convert to fraction form
    25,837.28/38,756.12 = 7,118.34/x
  3. Step 3: Cross multiply
    25,837.28x = 38,756.12 × 7,118.34
  4. Step 4: Simplify right side
    25,837.28x = 275,879,239.24
  5. Step 5: Solve for x
    x = 275,879,239.24/25,837.28
  6. Step 6: Final answer
    x = 10,677.57

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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.