Home / 26,869.42-37,076.85-15,537.20

Finding the Fourth Proportional to 26,869.42, 37,076.85 and 15,537.20

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Solution

The fourth proportional to 26,869.42, 37,076.85 and 15,537.20 is: 21,439.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,869.42 : 37,076.85 = 15,537.20 : x
  2. Step 2: Convert to fraction form
    26,869.42/37,076.85 = 15,537.20/x
  3. Step 3: Cross multiply
    26,869.42x = 37,076.85 × 15,537.20
  4. Step 4: Simplify right side
    26,869.42x = 576,070,526.51
  5. Step 5: Solve for x
    x = 576,070,526.51/26,869.42
  6. Step 6: Final answer
    x = 21,439.64

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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.