Home / 26,649.36-36,771.96-15,316.68

Finding the Fourth Proportional to 26,649.36, 36,771.96 and 15,316.68

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Solution

The fourth proportional to 26,649.36, 36,771.96 and 15,316.68 is: 21,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,649.36 : 36,771.96 = 15,316.68 : x
  2. Step 2: Convert to fraction form
    26,649.36/36,771.96 = 15,316.68/x
  3. Step 3: Cross multiply
    26,649.36x = 36,771.96 × 15,316.68
  4. Step 4: Simplify right side
    26,649.36x = 563,224,344.29
  5. Step 5: Solve for x
    x = 563,224,344.29/26,649.36
  6. Step 6: Final answer
    x = 21,134.63

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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.