Home / 27,638.33-38,130.05-17,009.51

Finding the Fourth Proportional to 27,638.33, 38,130.05 and 17,009.51

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Solution

The fourth proportional to 27,638.33, 38,130.05 and 17,009.51 is: 23,466.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,638.33 : 38,130.05 = 17,009.51 : x
  2. Step 2: Convert to fraction form
    27,638.33/38,130.05 = 17,009.51/x
  3. Step 3: Cross multiply
    27,638.33x = 38,130.05 × 17,009.51
  4. Step 4: Simplify right side
    27,638.33x = 648,573,191.08
  5. Step 5: Solve for x
    x = 648,573,191.08/27,638.33
  6. Step 6: Final answer
    x = 23,466.44

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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.