Home / 26,126.11-36,049.35-15,518.35

Finding the Fourth Proportional to 26,126.11, 36,049.35 and 15,518.35

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Solution

The fourth proportional to 26,126.11, 36,049.35 and 15,518.35 is: 21,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,126.11 : 36,049.35 = 15,518.35 : x
  2. Step 2: Convert to fraction form
    26,126.11/36,049.35 = 15,518.35/x
  3. Step 3: Cross multiply
    26,126.11x = 36,049.35 × 15,518.35
  4. Step 4: Simplify right side
    26,126.11x = 559,426,430.57
  5. Step 5: Solve for x
    x = 559,426,430.57/26,126.11
  6. Step 6: Final answer
    x = 21,412.54

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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.