Home / 26,644.77-36,771.57-15,317.91

Finding the Fourth Proportional to 26,644.77, 36,771.57 and 15,317.91

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Solution

The fourth proportional to 26,644.77, 36,771.57 and 15,317.91 is: 21,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.77 : 36,771.57 = 15,317.91 : x
  2. Step 2: Convert to fraction form
    26,644.77/36,771.57 = 15,317.91/x
  3. Step 3: Cross multiply
    26,644.77x = 36,771.57 × 15,317.91
  4. Step 4: Simplify right side
    26,644.77x = 563,263,599.82
  5. Step 5: Solve for x
    x = 563,263,599.82/26,644.77
  6. Step 6: Final answer
    x = 21,139.74

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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.