Home / 23,209.23-31,905.58-19,967.21

Finding the Fourth Proportional to 23,209.23, 31,905.58 and 19,967.21

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Solution

The fourth proportional to 23,209.23, 31,905.58 and 19,967.21 is: 27,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,209.23 : 31,905.58 = 19,967.21 : x
  2. Step 2: Convert to fraction form
    23,209.23/31,905.58 = 19,967.21/x
  3. Step 3: Cross multiply
    23,209.23x = 31,905.58 × 19,967.21
  4. Step 4: Simplify right side
    23,209.23x = 637,065,363.67
  5. Step 5: Solve for x
    x = 637,065,363.67/23,209.23
  6. Step 6: Final answer
    x = 27,448.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.