Home / 26,443.04-39,668.27-7,724.45

Finding the Fourth Proportional to 26,443.04, 39,668.27 and 7,724.45

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Solution

The fourth proportional to 26,443.04, 39,668.27 and 7,724.45 is: 11,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.04 : 39,668.27 = 7,724.45 : x
  2. Step 2: Convert to fraction form
    26,443.04/39,668.27 = 7,724.45/x
  3. Step 3: Cross multiply
    26,443.04x = 39,668.27 × 7,724.45
  4. Step 4: Simplify right side
    26,443.04x = 306,415,331.24
  5. Step 5: Solve for x
    x = 306,415,331.24/26,443.04
  6. Step 6: Final answer
    x = 11,587.75

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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.