Home / 14,304.32-19,740.89-7,931.19

Finding the Fourth Proportional to 14,304.32, 19,740.89 and 7,931.19

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Solution

The fourth proportional to 14,304.32, 19,740.89 and 7,931.19 is: 10,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.32 : 19,740.89 = 7,931.19 : x
  2. Step 2: Convert to fraction form
    14,304.32/19,740.89 = 7,931.19/x
  3. Step 3: Cross multiply
    14,304.32x = 19,740.89 × 7,931.19
  4. Step 4: Simplify right side
    14,304.32x = 156,568,769.19
  5. Step 5: Solve for x
    x = 156,568,769.19/14,304.32
  6. Step 6: Final answer
    x = 10,945.56

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.