Home / 22,740.74-31,380.09-16,775.72

Finding the Fourth Proportional to 22,740.74, 31,380.09 and 16,775.72

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Solution

The fourth proportional to 22,740.74, 31,380.09 and 16,775.72 is: 23,148.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.74 : 31,380.09 = 16,775.72 : x
  2. Step 2: Convert to fraction form
    22,740.74/31,380.09 = 16,775.72/x
  3. Step 3: Cross multiply
    22,740.74x = 31,380.09 × 16,775.72
  4. Step 4: Simplify right side
    22,740.74x = 526,423,603.41
  5. Step 5: Solve for x
    x = 526,423,603.41/22,740.74
  6. Step 6: Final answer
    x = 23,148.92

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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.