Home / 22,661.84-31,272.68-12,590.24

Finding the Fourth Proportional to 22,661.84, 31,272.68 and 12,590.24

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Solution

The fourth proportional to 22,661.84, 31,272.68 and 12,590.24 is: 17,374.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,661.84 : 31,272.68 = 12,590.24 : x
  2. Step 2: Convert to fraction form
    22,661.84/31,272.68 = 12,590.24/x
  3. Step 3: Cross multiply
    22,661.84x = 31,272.68 × 12,590.24
  4. Step 4: Simplify right side
    22,661.84x = 393,730,546.64
  5. Step 5: Solve for x
    x = 393,730,546.64/22,661.84
  6. Step 6: Final answer
    x = 17,374.16

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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.