Home / 33,019.36-45,569.86-18,869.46

Finding the Fourth Proportional to 33,019.36, 45,569.86 and 18,869.46

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Solution

The fourth proportional to 33,019.36, 45,569.86 and 18,869.46 is: 26,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,019.36 : 45,569.86 = 18,869.46 : x
  2. Step 2: Convert to fraction form
    33,019.36/45,569.86 = 18,869.46/x
  3. Step 3: Cross multiply
    33,019.36x = 45,569.86 × 18,869.46
  4. Step 4: Simplify right side
    33,019.36x = 859,878,650.48
  5. Step 5: Solve for x
    x = 859,878,650.48/33,019.36
  6. Step 6: Final answer
    x = 26,041.65

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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.