Home / 17,937.96-24,752.56-9,979.36

Finding the Fourth Proportional to 17,937.96, 24,752.56 and 9,979.36

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Solution

The fourth proportional to 17,937.96, 24,752.56 and 9,979.36 is: 13,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.96 : 24,752.56 = 9,979.36 : x
  2. Step 2: Convert to fraction form
    17,937.96/24,752.56 = 9,979.36/x
  3. Step 3: Cross multiply
    17,937.96x = 24,752.56 × 9,979.36
  4. Step 4: Simplify right side
    17,937.96x = 247,014,707.16
  5. Step 5: Solve for x
    x = 247,014,707.16/17,937.96
  6. Step 6: Final answer
    x = 13,770.50

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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.