Home / 22,905.60-34,358.40-17,721.60

Finding the Fourth Proportional to 22,905.60, 34,358.40 and 17,721.60

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Solution

The fourth proportional to 22,905.60, 34,358.40 and 17,721.60 is: 26,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.60 : 34,358.40 = 17,721.60 : x
  2. Step 2: Convert to fraction form
    22,905.60/34,358.40 = 17,721.60/x
  3. Step 3: Cross multiply
    22,905.60x = 34,358.40 × 17,721.60
  4. Step 4: Simplify right side
    22,905.60x = 608,885,821.44
  5. Step 5: Solve for x
    x = 608,885,821.44/22,905.60
  6. Step 6: Final answer
    x = 26,582.40

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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.