Home / 14,005.93-19,327.42-8,700.65

Finding the Fourth Proportional to 14,005.93, 19,327.42 and 8,700.65

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Solution

The fourth proportional to 14,005.93, 19,327.42 and 8,700.65 is: 12,006.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.93 : 19,327.42 = 8,700.65 : x
  2. Step 2: Convert to fraction form
    14,005.93/19,327.42 = 8,700.65/x
  3. Step 3: Cross multiply
    14,005.93x = 19,327.42 × 8,700.65
  4. Step 4: Simplify right side
    14,005.93x = 168,161,116.82
  5. Step 5: Solve for x
    x = 168,161,116.82/14,005.93
  6. Step 6: Final answer
    x = 12,006.42

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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.