Home / 12,674.04-19,004.54-7,410.21

Finding the Fourth Proportional to 12,674.04, 19,004.54 and 7,410.21

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Solution

The fourth proportional to 12,674.04, 19,004.54 and 7,410.21 is: 11,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.04 : 19,004.54 = 7,410.21 : x
  2. Step 2: Convert to fraction form
    12,674.04/19,004.54 = 7,410.21/x
  3. Step 3: Cross multiply
    12,674.04x = 19,004.54 × 7,410.21
  4. Step 4: Simplify right side
    12,674.04x = 140,827,632.35
  5. Step 5: Solve for x
    x = 140,827,632.35/12,674.04
  6. Step 6: Final answer
    x = 11,111.50

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Half scale
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Double scale
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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.