Home / 14,403.12-21,605.72-5,042.08

Finding the Fourth Proportional to 14,403.12, 21,605.72 and 5,042.08

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Solution

The fourth proportional to 14,403.12, 21,605.72 and 5,042.08 is: 7,563.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.12 : 21,605.72 = 5,042.08 : x
  2. Step 2: Convert to fraction form
    14,403.12/21,605.72 = 5,042.08/x
  3. Step 3: Cross multiply
    14,403.12x = 21,605.72 × 5,042.08
  4. Step 4: Simplify right side
    14,403.12x = 108,937,768.70
  5. Step 5: Solve for x
    x = 108,937,768.70/14,403.12
  6. Step 6: Final answer
    x = 7,563.48

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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.