Home / 33,126.96-45,715.36-18,019.76

Finding the Fourth Proportional to 33,126.96, 45,715.36 and 18,019.76

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Solution

The fourth proportional to 33,126.96, 45,715.36 and 18,019.76 is: 24,867.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,126.96 : 45,715.36 = 18,019.76 : x
  2. Step 2: Convert to fraction form
    33,126.96/45,715.36 = 18,019.76/x
  3. Step 3: Cross multiply
    33,126.96x = 45,715.36 × 18,019.76
  4. Step 4: Simplify right side
    33,126.96x = 823,779,815.51
  5. Step 5: Solve for x
    x = 823,779,815.51/33,126.96
  6. Step 6: Final answer
    x = 24,867.35

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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.