Home / 42,448.29-63,672.35-11,283.54

Finding the Fourth Proportional to 42,448.29, 63,672.35 and 11,283.54

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Solution

The fourth proportional to 42,448.29, 63,672.35 and 11,283.54 is: 16,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,448.29 : 63,672.35 = 11,283.54 : x
  2. Step 2: Convert to fraction form
    42,448.29/63,672.35 = 11,283.54/x
  3. Step 3: Cross multiply
    42,448.29x = 63,672.35 × 11,283.54
  4. Step 4: Simplify right side
    42,448.29x = 718,449,189.76
  5. Step 5: Solve for x
    x = 718,449,189.76/42,448.29
  6. Step 6: Final answer
    x = 16,925.28

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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.