Home / 22,518.47-33,772.56-8,479.98

Finding the Fourth Proportional to 22,518.47, 33,772.56 and 8,479.98

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Solution

The fourth proportional to 22,518.47, 33,772.56 and 8,479.98 is: 12,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.47 : 33,772.56 = 8,479.98 : x
  2. Step 2: Convert to fraction form
    22,518.47/33,772.56 = 8,479.98/x
  3. Step 3: Cross multiply
    22,518.47x = 33,772.56 × 8,479.98
  4. Step 4: Simplify right side
    22,518.47x = 286,390,464.49
  5. Step 5: Solve for x
    x = 286,390,464.49/22,518.47
  6. Step 6: Final answer
    x = 12,718.03

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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.