Home / 26,813.52-37,002.42-15,485.40

Finding the Fourth Proportional to 26,813.52, 37,002.42 and 15,485.40

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Solution

The fourth proportional to 26,813.52, 37,002.42 and 15,485.40 is: 21,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,813.52 : 37,002.42 = 15,485.40 : x
  2. Step 2: Convert to fraction form
    26,813.52/37,002.42 = 15,485.40/x
  3. Step 3: Cross multiply
    26,813.52x = 37,002.42 × 15,485.40
  4. Step 4: Simplify right side
    26,813.52x = 572,997,274.67
  5. Step 5: Solve for x
    x = 572,997,274.67/26,813.52
  6. Step 6: Final answer
    x = 21,369.71

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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.