Home / 19,530.99-29,295.54-6,381.63

Finding the Fourth Proportional to 19,530.99, 29,295.54 and 6,381.63

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Solution

The fourth proportional to 19,530.99, 29,295.54 and 6,381.63 is: 9,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.99 : 29,295.54 = 6,381.63 : x
  2. Step 2: Convert to fraction form
    19,530.99/29,295.54 = 6,381.63/x
  3. Step 3: Cross multiply
    19,530.99x = 29,295.54 × 6,381.63
  4. Step 4: Simplify right side
    19,530.99x = 186,953,296.93
  5. Step 5: Solve for x
    x = 186,953,296.93/19,530.99
  6. Step 6: Final answer
    x = 9,572.14

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Half scale
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Double scale
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Similar ratio
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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.