Home / 19,008.69-26,232.99-11,457.42

Finding the Fourth Proportional to 19,008.69, 26,232.99 and 11,457.42

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Solution

The fourth proportional to 19,008.69, 26,232.99 and 11,457.42 is: 15,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008.69 : 26,232.99 = 11,457.42 : x
  2. Step 2: Convert to fraction form
    19,008.69/26,232.99 = 11,457.42/x
  3. Step 3: Cross multiply
    19,008.69x = 26,232.99 × 11,457.42
  4. Step 4: Simplify right side
    19,008.69x = 300,562,384.29
  5. Step 5: Solve for x
    x = 300,562,384.29/19,008.69
  6. Step 6: Final answer
    x = 15,811.84

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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.