Home / 14,065.08-19,409.59-7,691.69

Finding the Fourth Proportional to 14,065.08, 19,409.59 and 7,691.69

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Solution

The fourth proportional to 14,065.08, 19,409.59 and 7,691.69 is: 10,614.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.08 : 19,409.59 = 7,691.69 : x
  2. Step 2: Convert to fraction form
    14,065.08/19,409.59 = 7,691.69/x
  3. Step 3: Cross multiply
    14,065.08x = 19,409.59 × 7,691.69
  4. Step 4: Simplify right side
    14,065.08x = 149,292,549.31
  5. Step 5: Solve for x
    x = 149,292,549.31/14,065.08
  6. Step 6: Final answer
    x = 10,614.41

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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.