Home / 33,253.40-45,888.27-18,145.69

Finding the Fourth Proportional to 33,253.40, 45,888.27 and 18,145.69

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Solution

The fourth proportional to 33,253.40, 45,888.27 and 18,145.69 is: 25,040.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,253.40 : 45,888.27 = 18,145.69 : x
  2. Step 2: Convert to fraction form
    33,253.40/45,888.27 = 18,145.69/x
  3. Step 3: Cross multiply
    33,253.40x = 45,888.27 × 18,145.69
  4. Step 4: Simplify right side
    33,253.40x = 832,674,322.06
  5. Step 5: Solve for x
    x = 832,674,322.06/33,253.40
  6. Step 6: Final answer
    x = 25,040.28

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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.