Home / 28,058.56-42,068.32-14,198.08

Finding the Fourth Proportional to 28,058.56, 42,068.32 and 14,198.08

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Solution

The fourth proportional to 28,058.56, 42,068.32 and 14,198.08 is: 21,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,058.56 : 42,068.32 = 14,198.08 : x
  2. Step 2: Convert to fraction form
    28,058.56/42,068.32 = 14,198.08/x
  3. Step 3: Cross multiply
    28,058.56x = 42,068.32 × 14,198.08
  4. Step 4: Simplify right side
    28,058.56x = 597,289,372.83
  5. Step 5: Solve for x
    x = 597,289,372.83/28,058.56
  6. Step 6: Final answer
    x = 21,287.24

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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.