Home / 26,112.51-36,035.28-15,502.86

Finding the Fourth Proportional to 26,112.51, 36,035.28 and 15,502.86

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Solution

The fourth proportional to 26,112.51, 36,035.28 and 15,502.86 is: 21,393.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.51 : 36,035.28 = 15,502.86 : x
  2. Step 2: Convert to fraction form
    26,112.51/36,035.28 = 15,502.86/x
  3. Step 3: Cross multiply
    26,112.51x = 36,035.28 × 15,502.86
  4. Step 4: Simplify right side
    26,112.51x = 558,649,900.90
  5. Step 5: Solve for x
    x = 558,649,900.90/26,112.51
  6. Step 6: Final answer
    x = 21,393.96

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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.