Home / 25,650.84-35,398.32-15,040.65

Finding the Fourth Proportional to 25,650.84, 35,398.32 and 15,040.65

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Solution

The fourth proportional to 25,650.84, 35,398.32 and 15,040.65 is: 20,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,650.84 : 35,398.32 = 15,040.65 : x
  2. Step 2: Convert to fraction form
    25,650.84/35,398.32 = 15,040.65/x
  3. Step 3: Cross multiply
    25,650.84x = 35,398.32 × 15,040.65
  4. Step 4: Simplify right side
    25,650.84x = 532,413,741.71
  5. Step 5: Solve for x
    x = 532,413,741.71/25,650.84
  6. Step 6: Final answer
    x = 20,756.19

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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.