Home / 33,283.32-45,929.10-19,869.72

Finding the Fourth Proportional to 33,283.32, 45,929.10 and 19,869.72

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Solution

The fourth proportional to 33,283.32, 45,929.10 and 19,869.72 is: 27,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,283.32 : 45,929.10 = 19,869.72 : x
  2. Step 2: Convert to fraction form
    33,283.32/45,929.10 = 19,869.72/x
  3. Step 3: Cross multiply
    33,283.32x = 45,929.10 × 19,869.72
  4. Step 4: Simplify right side
    33,283.32x = 912,598,356.85
  5. Step 5: Solve for x
    x = 912,598,356.85/33,283.32
  6. Step 6: Final answer
    x = 27,419.09

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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.