Home / 26,633.81-36,755.78-15,303.12

Finding the Fourth Proportional to 26,633.81, 36,755.78 and 15,303.12

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Solution

The fourth proportional to 26,633.81, 36,755.78 and 15,303.12 is: 21,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,633.81 : 36,755.78 = 15,303.12 : x
  2. Step 2: Convert to fraction form
    26,633.81/36,755.78 = 15,303.12/x
  3. Step 3: Cross multiply
    26,633.81x = 36,755.78 × 15,303.12
  4. Step 4: Simplify right side
    26,633.81x = 562,478,035.52
  5. Step 5: Solve for x
    x = 562,478,035.52/26,633.81
  6. Step 6: Final answer
    x = 21,118.95

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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.