Home / 35,649.51-53,436.39-13,453.48

Finding the Fourth Proportional to 35,649.51, 53,436.39 and 13,453.48

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Solution

The fourth proportional to 35,649.51, 53,436.39 and 13,453.48 is: 20,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,649.51 : 53,436.39 = 13,453.48 : x
  2. Step 2: Convert to fraction form
    35,649.51/53,436.39 = 13,453.48/x
  3. Step 3: Cross multiply
    35,649.51x = 53,436.39 × 13,453.48
  4. Step 4: Simplify right side
    35,649.51x = 718,905,404.14
  5. Step 5: Solve for x
    x = 718,905,404.14/35,649.51
  6. Step 6: Final answer
    x = 20,165.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.