Home / 24,986.78-34,501.62-15,440.54

Finding the Fourth Proportional to 24,986.78, 34,501.62 and 15,440.54

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Solution

The fourth proportional to 24,986.78, 34,501.62 and 15,440.54 is: 21,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,986.78 : 34,501.62 = 15,440.54 : x
  2. Step 2: Convert to fraction form
    24,986.78/34,501.62 = 15,440.54/x
  3. Step 3: Cross multiply
    24,986.78x = 34,501.62 × 15,440.54
  4. Step 4: Simplify right side
    24,986.78x = 532,723,643.67
  5. Step 5: Solve for x
    x = 532,723,643.67/24,986.78
  6. Step 6: Final answer
    x = 21,320.22

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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.