Home / 24,984.78-34,498.86-15,438.54

Finding the Fourth Proportional to 24,984.78, 34,498.86 and 15,438.54

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Solution

The fourth proportional to 24,984.78, 34,498.86 and 15,438.54 is: 21,317.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,984.78 : 34,498.86 = 15,438.54 : x
  2. Step 2: Convert to fraction form
    24,984.78/34,498.86 = 15,438.54/x
  3. Step 3: Cross multiply
    24,984.78x = 34,498.86 × 15,438.54
  4. Step 4: Simplify right side
    24,984.78x = 532,612,030.06
  5. Step 5: Solve for x
    x = 532,612,030.06/24,984.78
  6. Step 6: Final answer
    x = 21,317.46

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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.