Home / 26,106.12-36,035.80-15,495.75

Finding the Fourth Proportional to 26,106.12, 36,035.80 and 15,495.75

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Solution

The fourth proportional to 26,106.12, 36,035.80 and 15,495.75 is: 21,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.12 : 36,035.80 = 15,495.75 : x
  2. Step 2: Convert to fraction form
    26,106.12/36,035.80 = 15,495.75/x
  3. Step 3: Cross multiply
    26,106.12x = 36,035.80 × 15,495.75
  4. Step 4: Simplify right side
    26,106.12x = 558,401,709.11
  5. Step 5: Solve for x
    x = 558,401,709.11/26,106.12
  6. Step 6: Final answer
    x = 21,389.69

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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.