Home / 27,274.06-37,638.42-15,337.30

Finding the Fourth Proportional to 27,274.06, 37,638.42 and 15,337.30

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Solution

The fourth proportional to 27,274.06, 37,638.42 and 15,337.30 is: 21,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,274.06 : 37,638.42 = 15,337.30 : x
  2. Step 2: Convert to fraction form
    27,274.06/37,638.42 = 15,337.30/x
  3. Step 3: Cross multiply
    27,274.06x = 37,638.42 × 15,337.30
  4. Step 4: Simplify right side
    27,274.06x = 577,271,739.07
  5. Step 5: Solve for x
    x = 577,271,739.07/27,274.06
  6. Step 6: Final answer
    x = 21,165.60

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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.