Home / 27,676.02-38,193.75-15,741.08

Finding the Fourth Proportional to 27,676.02, 38,193.75 and 15,741.08

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Solution

The fourth proportional to 27,676.02, 38,193.75 and 15,741.08 is: 21,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,676.02 : 38,193.75 = 15,741.08 : x
  2. Step 2: Convert to fraction form
    27,676.02/38,193.75 = 15,741.08/x
  3. Step 3: Cross multiply
    27,676.02x = 38,193.75 × 15,741.08
  4. Step 4: Simplify right side
    27,676.02x = 601,210,683.28
  5. Step 5: Solve for x
    x = 601,210,683.28/27,676.02
  6. Step 6: Final answer
    x = 21,723.16

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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.