Home / 26,897.81-37,120.34-14,961.38

Finding the Fourth Proportional to 26,897.81, 37,120.34 and 14,961.38

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Solution

The fourth proportional to 26,897.81, 37,120.34 and 14,961.38 is: 20,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,897.81 : 37,120.34 = 14,961.38 : x
  2. Step 2: Convert to fraction form
    26,897.81/37,120.34 = 14,961.38/x
  3. Step 3: Cross multiply
    26,897.81x = 37,120.34 × 14,961.38
  4. Step 4: Simplify right side
    26,897.81x = 555,371,364.27
  5. Step 5: Solve for x
    x = 555,371,364.27/26,897.81
  6. Step 6: Final answer
    x = 20,647.46

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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.