Home / 26,840.40-37,045-17,143.62

Finding the Fourth Proportional to 26,840.40, 37,045 and 17,143.62

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Solution

The fourth proportional to 26,840.40, 37,045 and 17,143.62 is: 23,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.40 : 37,045 = 17,143.62 : x
  2. Step 2: Convert to fraction form
    26,840.40/37,045 = 17,143.62/x
  3. Step 3: Cross multiply
    26,840.40x = 37,045 × 17,143.62
  4. Step 4: Simplify right side
    26,840.40x = 635,085,402.90
  5. Step 5: Solve for x
    x = 635,085,402.90/26,840.40
  6. Step 6: Final answer
    x = 23,661.55

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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.