Home / 28,041.59-42,083.24-13,255.04

Finding the Fourth Proportional to 28,041.59, 42,083.24 and 13,255.04

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Solution

The fourth proportional to 28,041.59, 42,083.24 and 13,255.04 is: 19,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.59 : 42,083.24 = 13,255.04 : x
  2. Step 2: Convert to fraction form
    28,041.59/42,083.24 = 13,255.04/x
  3. Step 3: Cross multiply
    28,041.59x = 42,083.24 × 13,255.04
  4. Step 4: Simplify right side
    28,041.59x = 557,814,752.84
  5. Step 5: Solve for x
    x = 557,814,752.84/28,041.59
  6. Step 6: Final answer
    x = 19,892.41

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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.